Question

Given f(x)=|x| and g(x)=5/x^2+5, find (f*g)(4)

Answer 1

Firstly is that (x^2+5) all the denom? Secondly on which side do you compose functions, starting with left or right?

Answer 2

yeah that is the demon, and from the left

Answer 3

Ok, I think that you'd just get 21/5, unless I'm missing something. Since f*g=g. From how I see it anyway.

Answer 4

*5/21

Answer 5

is that the final answer?

Answer 6

Yeah sorry. Typo-time it's 5/21

Answer 7

thnks