Question

Given f (x) = 5x + 2 and g(x) = x – 3, find
(fºg)(x)

Answer 1

f(x)=5x+2

g(x)=x-3

(fºg)(x)=f(g(x))=5(x-3)+2=5x-15+2=5x-13

Answer: (fºg)(x)=5x-13

Explanation:

we have to substitute any "x" by "x-3" in the function f(x) to get (fºg)(x),