Question

For the function f(x)= x^1/2 – 7, find f^-1(x).

Answer 1

Answer :

f(1) = -7

Step 1: Define

f(x) = -x² + x - 7

f(1) = x = 1

Step 2: Substitute and Evaluate

f(1) = -(1)² + 1 - 7

f(1) = -1 + 1 - 7

f(1) = -7

Answer 2

Answer:b

Step-by-step explanation: