Question

If R(x) = x² + x - 3, find R(-3).

Answer 1

Given:

$R(x)=x^2+x-3$

Required:

We need to find R(-3).

Explanation:

Replace x =-3 in the given equation.

$R(-3)=(-3)^2+(-3)-3$$R(-3)=9-3-3$$R(-3)=9-6$$R(-3)=3$

Final answer:

$R(-3)=3$