Question

For all values of x, f(x)=x/5 +3

Answer 1

f(g(x)) = 2x² + 4

Explanation:

to evaluate f(g(x)) substitute x = g(x) into f(x) , that is

f(g(x))

= f(10x² + 5)

=
`(10x^2+5)/(5)` + 3

=
`(10x^2)/(5)` +
`(5)/(5)` + 3

= 2x² + 1 + 3

= 2x² + 4