Question

show that f and g are inverse functions or state that they are not using algebra?
f(x)=3srt(-8x-6) g(x)=-(x^3+6)/8

Answer 1

plug in one into the other (doesn't matter which). if the answer is one, they are inverses of each other. if not, they're not inverses.

Answer 2

so if is - then it is or isn't an inverse

Answer 3

it is.

Answer 4

ok thanks