Question

If f(x)= 3x2 and g(x) = x+2, find (f.g)(x).

Answer 1

Explanation:

`f(x) = 3 {x}^(2) \: and \: g(x) = x + 2 \\ (f.g)(x) \\ = f(x).g(x) \\ = 3 {x}^(2) .(x + 2) \\ \red{ \boxed{ \bold{ \therefore f(x).g(x)= 3 {x}^(3) + 6 {x}^(2) }}} \\`