Question

Write the inverse of g(x)=x²-7

Answer 1

Answer:

$\± \sqrt{x + 7}$

Step-by-step explanation:

y = x² - 7

Add 7 to both sides.

y + 7 = x²

Take square root on both sides.

±√(y +  7) = x

Switch variables.

±√(x + 7) = y