Exam 6: Exponential and Logarithmic Functions
Exam 1: Equations and Inequalities365 Questions
Exam 2: Graphs83 Questions
Exam 3: Functions and Their Graphs112 Questions
Exam 4: Linear and Quadratic Functions21 Questions
Exam 5: Polynomial and Rational Functions45 Questions
Exam 6: Exponential and Logarithmic Functions234 Questions
Exam 7: Analytic Geometry129 Questions
Exam 8: Systems of Equations and Inequalities428 Questions
Exam 9: Sequences; Induction; the Binomial Theorem242 Questions
Exam 10: Counting and Probability110 Questions
Exam 11: Graphing Utilities25 Questions
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Write the word or phrase that best completes each statement or answers the question.
-If 9x = 3,what does
equal?
(Multiple Choice)
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Solve the problem.
-A city is growing at the rate of 0.3% annually. If there were 4,466,000 residents in the city in 1,995, find howmany (to the nearest ten-thousand)were living in that city in 2000. Use 
(Multiple Choice)
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For the given functions f and g, find the requested composite function value.
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, g(x)= 15x - 8; Find (f ∘ g)(7).
(Multiple Choice)
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Change the logarithmic expression to an equivalent expression involving an exponent.
-
(Multiple Choice)
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Decide whether or not the functions are inverses of each other.
-
(Multiple Choice)
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Write the word or phrase that best completes each statement or answers the question.
-The volume V (in cubic inches)of a cylindrical pipe with length 12 inches is given by V
where ris the radius of the piston (in inches). If the radius is increasing with time t (in minutes)according to theformula
find the volume V of the pipe as a function of the time t.
(Essay)
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Solve the problem.
-If f(x)=
and g(x)= -1 + 5x, find (f ∘g)(x)and find the domain of (f ∘ g)(x).
(Essay)
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For the given functions f and g, find the requested composite function value.
-f(x)= 7x + 8, g(x)=
Find (g ∘ f)(3).
(Multiple Choice)
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For the given functions f and g, find the requested composite function.
-f(x)=
g(x)= 8x - 12; Find (f ∘ g)(x).
(Multiple Choice)
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Write the word or phrase that best completes each statement or answers the question.
-A grocery store normally sells 6 jars of caviar per week. Use the Poisson Distribution
to findthe probability (to three decimals)of selling 9 jars in a week. (
= x ∙ (x - 1)∙ (x - 2)∙ ... ∙ (3)(2)(1)).
(Multiple Choice)
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Solve the problem.
-The population P of a predator mammal depends upon the number x of a smaller animal that is itsprimary food source. The population s of the smaller animal depends upon the amount a of a certain plantthat is its primary food source. If
and
, what is the relationship between thepredator mammal and the plant food source?
(Multiple Choice)
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Determine i)the domain of the function, ii)the range of the function, iii)the domain of the inverse, and iv)the
range of the inverse.
-
(Multiple Choice)
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Approximate the value using a calculator. Express answer rounded to three decimal places.
-
(Multiple Choice)
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Find the domain of the composite function f ∘ g.
-f(x)=
; g(x)= 
(Multiple Choice)
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Write the word or phrase that best completes each statement or answers the question.
Solve the problem.
-The profit P for selling x items is given by the equation
Express the sales amount x as afunction of the profit P.
(Essay)
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