How do I simplify this? I got to 2/(3/x)-1 but I don't know how to simplify that further. Please show steps.

Question

asked May 22, 2021 89.4k views

1 Answer

Tim Holum · Answer 1 · 2021-05-26T15:27:06+0000

(f o g) (x) means that we substitute 3/x into x for f(x)

2 / ((3/x) - 1)

We have to get rid of the fraction in the denominator. Multiply both the top and bottom by x

(f o g) (x) =
(2x)/(3 - x) . This is as simplified as it can get.