Pretest

Question 1

Which statement best describes f of x is equal to negative 2 square root of x minus 7 end root plus 1 ?

Revolt · Accepted Answer

negative 6 is not in the domain of f of x but is in the range of f of x .

Question 2

What is the domain of the function y is equal to 2 square root of x minus 6 end root ?

Revolt · Accepted Answer

6 is less than or equal to x comma x is less than infinity

Question 3

Which function has the same domain as y is equal to 2 square root of x ?

Revolt · Accepted Answer

y is equal to 2 cube root of x

Question 4

What is the domain of the function y is equal to square root of x ?

Revolt · Accepted Answer

0 is less than or equal to x comma x is less than infinity

Question 5

The range of which function includes negative 4 ?

Revolt · Accepted Answer

y is equal to square root of x minus 5 end root

Question 6

What is the domain of the function y is equal to cube root of x ?

Revolt · Accepted Answer

negative infinity is less than x comma x is less than infinity

Question 7

What is the range of the function y is equal to square root of x plus 5 end root ?

Revolt · Accepted Answer

y is greater than or equal to 0

Question 8

What is the domain of the function y is equal to cube root of x minus 1 ?

Revolt · Accepted Answer

negative infinity is less than x comma x is less than infinity

Question 9

Which function has the same range as f of x is equal to negative 2 square root of x minus 3 end root plus 8 ?

Revolt · Accepted Answer

g of x is equal to square root of x minus 3 end root plus 8

Question 10

What is the range of the function y is equal to cube root of x plus 8 ?

Revolt · Accepted Answer

negative 8 is less than y comma y is less than infinity; 2 is less than or equal to y comma y is less than infinity

Pretest Answers