Question

WHY ME?
Find the inverse of f(x) = 2x^2 - 3. Explain each step and verify that it is an inverse.

Answer 1

\[x=2y ^{2}-3\]

Answer 2

just replace x with y
so x=2y^2-3
x+3=2y^2
(x+3)/2=y^2
\[y=\sqrt{(x+3)/2}\]