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).

Step-by-step 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`