Question

What is `f(-3)` for the function `f(x) = -5x -7`?

Answer 1

`8`

Explanation:

`f(-3)` basically means substitute `-3` for `x` in the function `-5x - 7`. In this case, substituting `-3` for `x` results in:

`f(-3) = -5(-3) - 7`
`f(-3) = 15 - 7`
`f(-3) = 8`