Question

Find the expression for g(x)? When f(x)=1/(x-5) and g(x) =x^2+2?

Answer 1

Find the expression for g(x)?
g(x) is given in the problem.
Are you sure it is g(x)?

Answer 2

yeah. I didn't understand the problem either, but that's what is there.

Answer 3

Could you post a screenshot of the question?

Answer 4

it's on a piece of paper :/

Answer 5

If you question is correct then g(x) = x^2 + 2.
f(x) will not be used in this problem.

My guess is it is probably find the expression for f(g(x)) or (fog)(x)

Answer 6

ok

Answer 7

If it is f(g(x)), then
To find f(g(x)) replace x on the right hand side of f(x) by g(x) which is x^2 + 2
f(x) = 1 / (x - 5)
f(g(x)) = f(x^2+2) = 1 / (x^2+2-5) = 1/(x^2-3)

Answer 8

thank you

Answer 9

you are welcome.