Question

Pre-calculus question

Answer 1

@SolomonZelman Is it A or B?

Answer 2

@jim_thompson5910 Is it A or B?

Answer 3

how do you propose you find out the answer

Answer 4

Well all I know is it has to be A or B because it has to be /3

Answer 5

Just plug the answer you think into g(x) and you should confirm yourself to see if its right

Answer 6

test that then
f(x) = 3x - 4
f(g(x)) = x

g(x) = (x-4)/3

g(x) = (x+4)/3

find f(g(x)) using either one of those

Answer 7

and see if it is = x
if so then that's your answer

Answer 8

Ok thank you!