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What is the equation !!! Math 3. 10 points HELP NEEDED!!!

What is the equation !!! Math 3. 10 points HELP NEEDED!!!-example-1

1 Answer

7 votes

ANSWER

B.


{f}^( - 1) (x) = {x}^(2) - 3

Step-by-step explanation

Given


f(x) = √(x + 3)

Let


y= √(x + 3)

Interchange x and y.


x= √(y + 3)

Square both sides


{x}^(2) = y + 3

Solve for y


y = {x}^(2) - 3

Therefore the inverse of f(x) is


{f}^( - 1) (x) = {x}^(2) - 3

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