Question

How do you evaluate the function `f(x) = -|x+4|+x^2` for `f(-9)`?

Answer 1

`f(-9)=76`

Explanation:

Substitute `-9` into the equation everywhere there is an `x`.
`f(-9)= - abs(-9+4) + (-9)^2`
`= - abs(-5) + 81`
`=-5+81`
`=76`