Question

If f(x) = x2 -3, then what is f(-5)?

Answer 1

22

Explanation:

So if you have f(x) = x^2 - 3, then all you have to do is plug in x = -5 into the equation. This would be (-5)^2 - 3 = 25 - 3 = 22.

I hope that makes sense!