AnswersAlgebraic ReasoningExponential and Logarithmic Functions

Practice Test Answers

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Which point of the given function corresponds with the minimum value of its inverse function?

A
open paren 8 comma negative 6 close paren
B
open paren 0 comma negative 2 close paren
C
open paren negative 20 comma 8 close paren
D
open paren negative 10 comma 3 close paren
4

Which statement is true about the functions?

A
The exponential function and the linear function are generally growing at the same rate.
B
The exponential function is generally growing faster than the linear function.
C
The linear function is generally growing faster than the exponential function.
D
The exponential function is generally growing slower than the linear function.
6

What is the range of the function f of x is equal to negative 2 times open paren 6 to the x th power close paren plus 3 ?

A
left parenthesis negative infinity comma negative 2 right bracket
B
left bracket 3 comma infinity right parenthesis
C
left bracket negative 2 comma infinity right parenthesis
D
open paren negative infinity comma 3 close paren
8

Consider the function. f of x is equal to x squared plus 3 Which answer pairs a possible domain restriction that if placed upon f of x would impact f inverse of x as shown?

A
f of x domain: x is greater than or equal to 3 f inverse of x range: y is greater than or equal to 3
B
f of x domain: x is greater than or equal to 0 f inverse of x range: y is greater than or equal to 0
C
f of x domain: x is greater than or equal to 0 f inverse of x domain: x is greater than or equal to 0
D
f of x domain: x is greater than or equal to 3 f inverse of x domain: x is greater than or equal to 3
10

What is the range of y is equal to log sub 2 of open paren x minus 6 close paren ?

A
all real numbers less than 6
B
all real numbers not equal to 0
C
all real numbers
D
all real number greater than 6
11

What is the amount of bacteria on the 8 th day?

A
On the eighth day, the bacteria is 1 point 7 2 grams
B
On the eighth day, the bacteria is 19 point 9 0 grams
C
On the eighth day, the bacteria is 6 point 2 3 grams
D
On the eighth day, the bacteria is 6271 point 8 9 grams

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