Pretest

Question 1

Which equation can be simplified to find the inverse of y is equal to 2 x squared ?

Revolt · Accepted Answer

x is equal to 2 y squared

Question 2

Which equation is the inverse of 2 times open paren x minus 2 close paren squared is equal to 8 times open paren 7 plus y close paren ?

Revolt · Accepted Answer

y is equal to 2 plus or minus square root of 28 plus 4 x end root

Question 3

Which equation is the inverse of y is equal to 2 x squared minus 8 ?

Revolt · Accepted Answer

y is equal to plus or minus square root of the fraction with numerator x plus 8 and denominator 2 end root

Question 4

Which equation can be simplified to find the inverse of y is equal to x squared minus 7 ?

Revolt · Accepted Answer

x is equal to y squared minus 7

Question 5

Which equation is the inverse of 5 y plus 4 is equal to open paren x plus 3 close paren squared plus 1 half ?

Revolt · Accepted Answer

y is equal to negative 3 plus or minus square root of 5 x plus 7 halves end root

Question 6

If f of x is equal to square root of x minus 3 end root , which inequality can be used to find the domain of f of x ?

Revolt · Accepted Answer

x minus 3 is greater than or equal to 0

Question 7

Which equation is the inverse of y is equal to 16 x squared plus 1 ?

Revolt · Accepted Answer

y is equal to the fraction with numerator plus or minus square root of x minus 1 end root and denominator 4

Question 8

Which equation is the inverse of y is equal to 100 minus x squared ?

Revolt · Accepted Answer

y is equal to plus or minus square root of 100 minus x end root

Question 9

If f of x is equal to square root of 1 half x minus 10 end root plus 3 , which inequality can be used to find the domain of f of x ?

Revolt · Accepted Answer

1 half x minus 10 is greater than or equal to 0

Question 10

Which equation can be simplified to find the inverse of y is equal to 5 x squared plus 10 ?

Revolt · Accepted Answer

x is equal to 5 y squared plus 10

Pretest Answers