Question

How do you find f(-2) given f(x)= -x + 2?

Answer 1

`=>f(-2) = 4`

Explanation:

`=>f(x) = -x +2`

`f(-2)` means that we evaluate `f(x)` by substituting `x = -2`.

`=>f(x) = -x + 2`

`=>f(-2) = -(-2) + 2`

`=>f(-2) = 2 + 2`

`=>f(-2) = 4`