Question

Evaluate : g(x) = x^2 + 4x ; find g(2)

Answer 1

Given the function

`g(x)=x^2+4x`

We want to evaluate this function at x = 2.

When we evaluate a function at a given value, we just need to substitute the terms with a variable by the given value.

`g(2)=(2)^2+4\cdot(2)=4+8=12`