Question

For which function is f(x) not equal to f-1(x)?
f(x)=2−x
f(x)=2x
f(x)=-x
f(x)=2x

Answer 1

hmm It's either A or C but what confuses me is f-1(x)??

Answer 2

it is actually \[f ^{-1}\]

Answer 3

and B answer is \[(2/x)\]

Answer 4

oh

Answer 5

what answer would you choose?

Answer 6

hmm sorry i would choose prob C