Question

Given f(x)=x^2+2x-2, evaluate f(-2)​

Answer 1

-2

Explanation:

Substitue -2 into every x factor

-2^2 + (-4) - 2

4 - 4 - 2

-2

Answer 2

Explanation:

f(x) = x² + 2x - 2

f(-2) = (-2)² + 2 (-2) - 2

= 4 - 4 - 2

= - 2

Hope it will help :)