Question

What is the inverse of y=-4x^2-2 and graph? I am not sure if I am doing this right.

Answer 1

find x in terms of y
4x^2 = -2-y
x^2 = (-2-y) / 4
x = sqrt [ (-2-y)] / 2
f-1(y) = sqrt[ -2-x]) / 2

the graph of the inverse of y is the reflection of y in the line y=x

Answer 2

Ok thank you