Question 1

Find the functional value $h ( s )$ if $h ( x ) = 4 x - 3$

Accepted Answer

The answer of Find the functional value \(h ( s...

Question 2

Graph the line $x = 4$ .

Accepted Answer

The answer of Graph the line $x = 4$ ....

Question 3

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 160 pounds and a variance of 16. The material is considered defective if the breaking strength is less than 152 pounds. What is the probability that a randomly selected piece of material will be defective? Please round the answer to the nearest thousandth, if necessary.

Accepted Answer

A)  0.023 
B)  0.159 
C)  0.977 
D)  0.999 
E)  0.001 
A)  0.023 
B)  0.159 
C)  0.977 
D)  0.999 
E)  0.001

Question 4

Find the range and mean of the data set. $$1,4,9,16,25$$

Accepted Answer

A)  mean: $11$ range: $11$ 
B)  mean: $11$ range: $21$ 
C)  mean: $11$ range: $24$ 
D)  mean: $9$ range: $24$ 
E)  mean: $24$ range: $11$ 
A)  mean: $11$ range: $11$ 
B)  mean: $11$ range: $21$ 
C)  mean: $11$ range: $24$ 
D)  mean: $9$ range: $24$ 
E)  mean: $24$ range: $11$

Question 5

Plot five points, in each of which the second component is $10$ less than the first component. Connect the plotted points. Which graph could be a correct graph?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 6

Label the points on the following graph. None of the coordinates of the points have fractional values. The scale is 1 square = 1 unit.   Enter 5 ordered pairs in the form $( x , y )$ .

Accepted Answer

The answer of Label the points on the following graph....

Question 7

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 80 people. How many would you expect to be between 165 and 175 cm tall? Please, round your answer to the nearest integer.

Accepted Answer

A)  13 people 
B)  55 people 
C)  38 people 
D)  76 people 
E)  25 people 
A)  13 people 
B)  55 people 
C)  38 people 
D)  76 people 
E)  25 people

Question 8

Suppose that, for a certain exam, a teacher grades on a curve according to the figure shown below. It is known that the grades follow a normal distribution with a mean of 60 and a standard deviation of 4. There are 45 students in the class. What score would be necessary to obtain a B?

Accepted Answer

A)  69 
B)  60 
C)  56 
D)  64 
E)  80 
A)  69 
B)  60 
C)  56 
D)  64 
E)  80

Question 9

Name $x$ and $y$ as positive or negative for Quadrant III.

Accepted Answer

A)  $x$ is negative; $y$ is positive 
B)  $x$ is positive; $y$ is negative 
C)  $x$ is positive; $y$ is positive 
D)  $x$ is negative; $y$ is negative 
A)  $x$ is negative; $y$ is positive 
B)  $x$ is positive; $y$ is negative 
C)  $x$ is positive; $y$ is positive 
D)  $x$ is negative; $y$ is negative

Question 10

Find three ordered pairs that satisfy the equation. $y + 2 x = 3$

Accepted Answer

A)  $( 0,3 ) , ( - 1,5 ) , ( 1,1 )$ 
B)  $( 0,3 ) , ( - 1,8 ) , ( 1,1 )$ 
C)  $( 0,3 ) , ( - 1,5 ) , ( 1,4 )$ 
D)  $\left( 0 , - \frac { 2 } { 3 } \right) , ( - 1,4 ) , ( 1,8 )$ 
E)  $( 0,3 ) , ( - 1,8 ) , ( 1,4 )$ 
A)  $( 0,3 ) , ( - 1,5 ) , ( 1,1 )$ 
B)  $( 0,3 ) , ( - 1,8 ) , ( 1,1 )$ 
C)  $( 0,3 ) , ( - 1,5 ) , ( 1,4 )$ 
D)  $\left( 0 , - \frac { 2 } { 3 } \right) , ( - 1,4 ) , ( 1,8 )$ 
E)  $( 0,3 ) , ( - 1,8 ) , ( 1,4 )$

Question 11

What points (coordinates) are plotted in this Cartesian graph? The scale is 1 square = 2 unit.

Accepted Answer

A)  $( 20 , - 70 )$ , $( - 50 , - 60 )$ , $( - 40,80 )$ , $( 60,80 )$ , $( 0,30 )$ 
B)  $( 8,6 )$ , $( - 7 , - 2 )$ , $( 8 , - 4 )$ , $( - 6 , - 5 )$ , $( 3,0 )$ 
C)  $( - 0 , - 6 )$ , $( - 4,8 )$ , $( 6,8 )$ , $( 2 , - 7 )$ , $( - 5 , - 3 )$ 
D)  $( 6,8 )$ , $( - 7 , - 2 )$ , $( 8 , - 4 )$ , $( - 6 , - 5 )$ , $( 0 , - 3 )$ 
E)  $( - 4,8 )$ , $( 6,8 )$ , $( 2 , - 7 )$ , $( - 5 , - 6 )$ , $( 0,3 )$ 
A)  $( 20 , - 70 )$ , $( - 50 , - 60 )$ , $( - 40,80 )$ , $( 60,80 )$ , $( 0,30 )$ 
B)  $( 8,6 )$ , $( - 7 , - 2 )$ , $( 8 , - 4 )$ , $( - 6 , - 5 )$ , $( 3,0 )$ 
C)  $( - 0 , - 6 )$ , $( - 4,8 )$ , $( 6,8 )$ , $( 2 , - 7 )$ , $( - 5 , - 3 )$ 
D)  $( 6,8 )$ , $( - 7 , - 2 )$ , $( 8 , - 4 )$ , $( - 6 , - 5 )$ , $( 0 , - 3 )$ 
E)  $( - 4,8 )$ , $( 6,8 )$ , $( 2 , - 7 )$ , $( - 5 , - 6 )$ , $( 0,3 )$

Question 12

Finish finding the points to prepare the graph of the equation $x = 3 y ^ { 2 }$ . $( - - , 1 ) , ( - \ldots , 2 ) , ( 0 , - - ) , ( - - , - 1 ) , ( - \infty , - 2 )$

Accepted Answer

The answer of Finish finding the points to prepare the...

Question 13

Choose the correct set of points that prepares the graph of the equation $y = - 3 ^ { x }$ for nonnegative values of x.

Accepted Answer

A)  $( 0,1 ) , ( 1,3 ) , ( 2,9 ) , ( 3,27 )$ 
B)  $( 0,1 ) , ( 1 , - 3 ) , ( 2 , - 9 ) , ( 3 , - 27 )$ 
C)  $( 0,0 ) , ( 1 , - 3 ) , ( 2 , - 9 ) , ( 3,27 )$ 
D)  $( 0 , - 1 ) , ( 1 , - 3 ) , ( 2 , - 9 ) , ( 3 , - 27 )$ 
E)  $( 0,0 ) , ( 1 , - 3 ) , ( 2 , - 9 ) , ( 3 , - 27 )$ 
A)  $( 0,1 ) , ( 1,3 ) , ( 2,9 ) , ( 3,27 )$ 
B)  $( 0,1 ) , ( 1 , - 3 ) , ( 2 , - 9 ) , ( 3 , - 27 )$ 
C)  $( 0,0 ) , ( 1 , - 3 ) , ( 2 , - 9 ) , ( 3,27 )$ 
D)  $( 0 , - 1 ) , ( 1 , - 3 ) , ( 2 , - 9 ) , ( 3 , - 27 )$ 
E)  $( 0,0 ) , ( 1 , - 3 ) , ( 2 , - 9 ) , ( 3 , - 27 )$

Question 14

Which sets of ordered pairs are functions? $A = \{ ( 4,3 ) , ( 17,29 ) , ( 18,52 ) , ( 4,19 ) \}$ $B = \{ ( 19,4 ) , ( 52,18 ) , ( 29,17 ) , ( 3,4 ) \}$ $C = \{ 69,82,44,87 \}$

Accepted Answer

A)  $A$ is not a function; $B$ is a function; $C$ is a function. 
B)  $A$ is not a function; $B$ is a function; $C$ is not a function. 
C)  $A$ is a function; $B$ is not a function; $C$ is not a function. 
D)  $A$ is a function; $B$ is a function; $C$ is not a function. 
E)  $A$ is not a function; $B$ is not a function; $C$ is not a function. 
A)  $A$ is not a function; $B$ is a function; $C$ is a function. 
B)  $A$ is not a function; $B$ is a function; $C$ is not a function. 
C)  $A$ is a function; $B$ is not a function; $C$ is not a function. 
D)  $A$ is a function; $B$ is a function; $C$ is not a function. 
E)  $A$ is not a function; $B$ is not a function; $C$ is not a function.

Question 15

Consider the following salaries for the executives of a certain company.
 $$\begin{array}{l}
\text { cellpadding="0" cellspacing="0" width } = " 60 \% \text { " border="0"> }\
\begin{array} { l l } 
 { \text { Position } } & \text { Salary } \
\text { President } & \$ 190,000 \
1 \text { st VP } & \$ 150,000 \
\text { 2nd VP } & \$ 140,000 \
\text { Supervising manager } & \$ 54,000 \
\text { Accounting manager } & \$ 35,000 \
\text { Personnel manager } & \$ 35,000 \
\text { Department manager } & \$ 26,000 \
\text { Department manager } & \$ 26,000
\end{array}
\end{array}$$ Round your answer to the nearest cent. What is the median? $ __________

Accepted Answer

The answer of Consider the following salaries for the executives...

Question 16

Find three ordered pairs that satisfy the equation. $$y = - 2 x + 1$$ ( 0 , _____ ) , ( 1 , _____ ) , (   1 , _____ )

Accepted Answer

The answer of Find three ordered pairs that satisfy the...

Question 17

Find the three measures of central tendency (the mean, median, and mode). $7,8,9,10,11$

Accepted Answer

A)  Mean: 9 Median: 9
Mode: none 
B)  Mean: 10 Median: 9
Mode: none 
C)  Mean: 9 Median: 10
Mode: 8 
D)  Mean: 9 Median: 9
Mode: 9 
E)  Mean: 9 Median: none
Mode: 9 
A)  Mean: 9 Median: 9
Mode: none 
B)  Mean: 10 Median: 9
Mode: none 
C)  Mean: 9 Median: 10
Mode: 8 
D)  Mean: 9 Median: 9
Mode: 9 
E)  Mean: 9 Median: none
Mode: 9

Question 18

Suppose you can rent a pressure washer for $8.00 per hour or $64.00 per day. Determine the equations for each option and graph them on your own paper. From the graph, estimate the number of hours for which both rates are the same.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 19

Find the three measures of central tendency. $3,4,5,6,7$ If there are multiple answers, separate them with a comma. If there is no answer, enter none. If necessary, round each answer to two decimal places. mean: __________ median: __________ mode: __________

Accepted Answer

The answer of Find the three measures of central tendency....

Question 20

Find three ordered pairs that satisfy the equation. $$y - 3 x = 4$$ ( 0 , _____ ) , ( 1 , _____ ) , (   1 , _____ )

Accepted Answer

The answer of Find three ordered pairs that satisfy the...

Find the functional value $h ( s )$ if $h ( x ) = 4 x - 3$

Graph the line $x = 4$ .

Find the range and mean of the data set. $1,4,9,16,25$

Plot five points, in each of which the second component is $10$ less than the first component. Connect the plotted points. Which graph could be a correct graph?

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 80 people. How many would you expect to be between 165 and 175 cm tall? Please, round your answer to the nearest integer.

Suppose that, for a certain exam, a teacher grades on a curve according to the figure shown below. It is known that the grades follow a normal distribution with a mean of 60 and a standard deviation of 4. There are 45 students in the class. What score would be necessary to obtain a B?

Name $x$ and $y$ as positive or negative for Quadrant III.

Find three ordered pairs that satisfy the equation. $y + 2 x = 3$

What points (coordinates) are plotted in this Cartesian graph? The scale is 1 square = 2 unit.

Finish finding the points to prepare the graph of the equation $x = 3 y ^ { 2 }$ . $( - - , 1 ) , ( - \ldots , 2 ) , ( 0 , - - ) , ( - - , - 1 ) , ( - \infty , - 2 )$

Choose the correct set of points that prepares the graph of the equation $y = - 3 ^ { x }$ for nonnegative values of x.

Which sets of ordered pairs are functions? $A = \{ ( 4,3 ) , ( 17,29 ) , ( 18,52 ) , ( 4,19 ) \}$ $B = \{ ( 19,4 ) , ( 52,18 ) , ( 29,17 ) , ( 3,4 ) \}$ $C = \{ 69,82,44,87 \}$

Find three ordered pairs that satisfy the equation. $y = - 2 x + 1$ ( 0 , ___ ) , ( 1 , _ ) , ( 1 , ___ )

Find the three measures of central tendency (the mean, median, and mode). $7,8,9,10,11$

Suppose you can rent a pressure washer for $8.00 per hour or $64.00 per day. Determine the equations for each option and graph them on your own paper. From the graph, estimate the number of hours for which both rates are the same.

Find the three measures of central tendency. $3,4,5,6,7$ If there are multiple answers, separate them with a comma. If there is no answer, enter none. If necessary, round each answer to two decimal places. mean: median: mode: __

Find three ordered pairs that satisfy the equation. $y - 3 x = 4$ ( 0 , ___ ) , ( 1 , _ ) , ( 1 , ___ )

Arithmetic, Calculators, and Problem Solving

Sets of Numbers

Introduction to Algebra

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Measurement and Problem Solving

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Sets and Logic

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Exam 11: Graphs

Find the functional value h(s)h ( s )h(s) if h(x)=4x−3h ( x ) = 4 x - 3h(x)=4x−3

Graph the line x=4x = 4x=4 .

Find the range and mean of the data set. 1,4,9,16,251,4,9,16,251,4,9,16,25

Plot five points, in each of which the second component is 101010 less than the first component. Connect the plotted points. Which graph could be a correct graph?

Label the points on the following graph. None of the coordinates of the points have fractional values. The scale is 1 square = 1 unit. Enter 5 ordered pairs in the form (x,y)( x , y )(x,y) .

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 80 people. How many would you expect to be between 165 and 175 cm tall? Please, round your answer to the nearest integer.

Suppose that, for a certain exam, a teacher grades on a curve according to the figure shown below. It is known that the grades follow a normal distribution with a mean of 60 and a standard deviation of 4. There are 45 students in the class. What score would be necessary to obtain a B?

Name xxx and yyy as positive or negative for Quadrant III.

Find three ordered pairs that satisfy the equation. y+2x=3y + 2 x = 3y+2x=3

What points (coordinates) are plotted in this Cartesian graph? The scale is 1 square = 2 unit.

Finish finding the points to prepare the graph of the equation x=3y2x = 3 y ^ { 2 }x=3y2 . (−−,1),(−…,2),(0,−−),(−−,−1),(−∞,−2)( - - , 1 ) , ( - \ldots , 2 ) , ( 0 , - - ) , ( - - , - 1 ) , ( - \infty , - 2 )(−−,1),(−…,2),(0,−−),(−−,−1),(−∞,−2)

Choose the correct set of points that prepares the graph of the equation y=−3xy = - 3 ^ { x }y=−3x for nonnegative values of x.

Find three ordered pairs that satisfy the equation. y=−2x+1y = - 2 x + 1y=−2x+1 ( 0 , _____ ) , ( 1 , _____ ) , ( 1 , _____ )

Find the three measures of central tendency (the mean, median, and mode). 7,8,9,10,117,8,9,10,117,8,9,10,11

Suppose you can rent a pressure washer for $8.00 per hour or $64.00 per day. Determine the equations for each option and graph them on your own paper. From the graph, estimate the number of hours for which both rates are the same.

Find the three measures of central tendency. 3,4,5,6,73,4,5,6,73,4,5,6,7 If there are multiple answers, separate them with a comma. If there is no answer, enter none. If necessary, round each answer to two decimal places. mean: __________ median: __________ mode: __________

Find three ordered pairs that satisfy the equation. y−3x=4y - 3 x = 4y−3x=4 ( 0 , _____ ) , ( 1 , _____ ) , ( 1 , _____ )

Arithmetic, Calculators, and Problem Solving

Sets of Numbers

Introduction to Algebra

Percents and Problem Solving

Introduction to Geometry

Measurement and Problem Solving

Applications of Percent

Sets and Logic

Probability

Statistics

Filters

Find the functional value $h ( s )$ if $h ( x ) = 4 x - 3$

Graph the line $x = 4$ .

Find the range and mean of the data set. $1,4,9,16,25$

Plot five points, in each of which the second component is $10$ less than the first component. Connect the plotted points. Which graph could be a correct graph?

Name $x$ and $y$ as positive or negative for Quadrant III.

Find three ordered pairs that satisfy the equation. $y + 2 x = 3$

Finish finding the points to prepare the graph of the equation $x = 3 y ^ { 2 }$ . $( - - , 1 ) , ( - \ldots , 2 ) , ( 0 , - - ) , ( - - , - 1 ) , ( - \infty , - 2 )$

Choose the correct set of points that prepares the graph of the equation $y = - 3 ^ { x }$ for nonnegative values of x.

Find three ordered pairs that satisfy the equation. $y = - 2 x + 1$ ( 0 , ___ ) , ( 1 , _ ) , ( 1 , ___ )

Find the three measures of central tendency (the mean, median, and mode). $7,8,9,10,11$

Find the three measures of central tendency. $3,4,5,6,7$ If there are multiple answers, separate them with a comma. If there is no answer, enter none. If necessary, round each answer to two decimal places. mean: median: mode: __

Find three ordered pairs that satisfy the equation. $y - 3 x = 4$ ( 0 , ___ ) , ( 1 , _ ) , ( 1 , ___ )