Square Root Functions

Question 1

Function: g(x) = 2x2 – 8 For x ≥ 0, the inverse function is f(x)= √ 1 2 x + 4 For x ≤ 0, the inverse function is d(x)= – √ 1 2 x + 4 q = r = s = t =

Revolt · Accepted Answer

0; 2; 3; -3

Question 2

d =

Revolt · Accepted Answer

9

Question 3

Identify the graph of d(x).

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-03-11-10-03-task/mc001-1.jpg

Question 4

b =

Revolt · Accepted Answer

b =: 1; c =: 81; d =: 9

Question 5

You cannot take the square root of a negative number, so 3t – 9 must be zero.

Revolt · Accepted Answer

greater than or equal to

Question 6

Set up an inequality showing that the radicand cannot be negative.

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-03-11-10-09-task/mc001-1.jpg

Question 7

Which of the following domains provide a real-value period?

Revolt · Accepted Answer

g > 0

Question 8

c =

Revolt · Accepted Answer

81

Question 9

What is the domain of the function?

Revolt · Accepted Answer

Domain: t

Square Root Functions Answers