Question

Which function below is the inverse of f(x) = x2 − 25?

Answer 1

which function is below?

Answer 2

Steps:

Write the function as y = x^2 - 25

Solve for x in terms of y.

Interchange x and y.

Answer 3

\[y=x^2 -25\]
\[x=y^2 -25\]
\[\sqrt{x+25}=\sqrt{y^2}\]
\[y=\pm \sqrt{x+25}\]