Exam 11: Graphs

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Suppose the 2003 prices, per ton, of wine grapes for different kinds of wine are given in the following table. cellpadding="0" cellspacing="0" width=" 52\% " border Variety Price Cabernet Sauvignon \ 1,800 Merlot \ 1,950 Zinfandel \ 1,550 Pinot Noir \ 1,350 Chardonnay \ 1,550 Sauvignon Blanc \ 1,200 What are the mean and median? Round your answers to the nearest cent as needed.

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Suppose a class obtained the following scores on a test. cellpadding="0" cellspacing="0" width Score Frequency 90 5 80 2 70 7 60 10 50 4 40 2 What is the mode?

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Find the functional value for f(−π)f ( - \pi ) if f(x)=x2+3f ( x ) = x ^ { 2 } + 3 f(−π)=f ( - \pi ) = __________

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Find the three measures of central tendency (the mean, median, and mode). 15,12,10,8,6,9,1015,12,10,8,6,9,10

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Graph the line y=2x−3y = 2 x - 3 .  Graph the line  y = 2 x - 3  .

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Find the functional value h(m)h ( m ) if h(r)=5r+3mh ( r ) = 5 r + 3 m

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Find the three measures of central tendency. 1,13,21,27,431,13,21,27,43 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: __________

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Graph the line y=−x+2y = - x + 2 .  Graph the line  y = - x + 2  .

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Andrea is on a business trip and must rent a car for the day. The car rental agency has the following options on the car she wants to rent: Option A: $40 per day plus $0.40 per mile; Option B: Flat $80 with unlimited mileage. Andrea is on a business trip and must rent a car for the day. The car rental agency has the following options on the car she wants to rent: Option A: $40 per day plus $0.40 per mile; Option B: Flat $80 with unlimited mileage.   Which Line, I or II, is a graph of Option A? How do you know? Which Line, I or II, is a graph of Option A? How do you know?

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Graph the equation y=−x2+2y = - x ^ { 2 } + 2 .  Graph the equation  y = - x ^ { 2 } + 2  .

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Tell what the output value is for the function machine for an input of 12\frac { 1 } { 2 }  Tell what the output value is for the function machine for an input of  \frac { 1 } { 2 }

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Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 6. What is the variance for this experiment?

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Which of the following sets represent functions? A = {(1,5),(2,5),(3,5)}\{ ( 1,5 ) , ( 2,5 ) , ( 3,5 ) \} B = {(1,5),(1,6),(1,7)}\{ ( 1,5 ) , ( 1,6 ) , ( 1,7 ) \} C = {(1,2),(3,4),(5,6)}\{ ( 1,2 ) , ( 3,4 ) , ( 5,6 ) \}

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Suppose a class obtained the following scores on a test. }"> cellpadding ="0 " cellspacing ="0" width ="34% " border="0"> \text { cellpadding }=" 0 \text { " cellspacing }=" 0 " \text { width }=" 34 \% \text { " border="0"> } Score Frequency 90 5 80 6 70 10 60 2 50 4 40 3 Round your answer to two decimal places. What is the mean?

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Finish finding the points to prepare the graph of the equation y=4x2y = 4 x ^ { 2 } . (1,…),(2,…),(0,…),(−1,…),(−2,…)( 1 , \ldots ) , ( 2 , \ldots ) , ( 0 , \ldots ) , ( - 1 , \ldots ) , ( - 2 , \ldots )

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Is the graph of a line with equation x=5x = 5 a horizontal or a vertical line? Answer a vertical line , a horizontal line, or neither a horizontal nor vertical line.

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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 100 people. How many would you expect to be taller than 160 cm? Please, round your answer to the nearest integer.

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Solve the system by graphing. {2x−y=−23x+y=7\left\{ \begin{array} { l } 2 x - y = - 2 \\3 x + y = 7\end{array} \right.  Solve the system by graphing.  \left\{ \begin{array} { l }  2 x - y = - 2 \\ 3 x + y = 7 \end{array} \right.

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

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FIGURE 1.  FIGURE 1.   Refer to Figure 1. Find the landmark given by the coordinates.  ( 5.5,1.5 ) Refer to Figure 1. Find the landmark given by the coordinates. (5.5,1.5)( 5.5,1.5 )

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