Question

Let f(x) = 2x - 6. Solve f-1(x) when x = 2.

Answer 1

to find inverse function:
1. Substitute f(x) with y.
2. Reverse the x and y variables.
3. Solve for y.
4. Replace y with f (x).

Answer 2

then substitue 2 for x and solve

Answer 3

Okay.

Answer 4

or immediatly substitue x insted of y and change places like 2=2y-6 solve for y

Answer 5

i changed places x and y and then substitued 2 for x

Answer 6

I got 4.

Answer 7

Is it right? @AlexandervonHumboldt2

Answer 8

hmm let me check

Answer 9

Alright.

Answer 10

yeah 4 i got it too

Answer 11

Okay. Thank you!

Answer 12

np