Practice Test

Question 1

What is the value of open paren f minus g close paren of 5 ?

Revolt · Accepted Answer

16

Question 2

If g of x and f of x are inverse functions, which graph represents g of x ?

Revolt · Accepted Answer

Image with description On a coordinate plane with x and y axes marked from negative 6 to 6, a curve opens up and to the left in quadrant 1. The curve starts at (0 comma 0) and curves up through (4 comma 1).

Question 3

Which description could be written as a linear function?

Revolt · Accepted Answer

eight more than twice a number

Question 4

If f of x is equal to x squared minus 25 and g of x is equal to x minus 5 , what is the domain of open paren f over g close paren of x ?

Revolt · Accepted Answer

all real values of x except x is equal to 5

Question 5

For which pair of functions is open paren f circ g close paren times x is equal to 12 x ?

Revolt · Accepted Answer

f of x is equal to 4 x and g of x is equal to 3 x

Question 6

Consider the table of values for h of x is equal to f of x over g of x x f of x g of x h of x is equal to f of x over g of x 1 10 2 2 13 4 3 18 6 4 25 8 Which values complete the table for h of x ?

Revolt · Accepted Answer

Table with 1 columns and 5 rows.Row 1: Column 1, 'h of x is equal to f of x over g of x' Row 2: Column 1, '5' Row 3: Column 1, '13 fourths' Row 4: Column 1, '3' Row 5: Column 1, '25 eighths'

Question 7

If the function f of x is equal to m x plus b has an inverse function, which statement must be true?

Revolt · Accepted Answer

m is not equal to 0

Question 8

What is the equation of a line with a slope of negative 2 that passes through the point open paren 6 comma 8 close paren ?

Revolt · Accepted Answer

2 x plus y is equal to 20

Practice Test Answers

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