Question

For the function `f(x)=x^2-5`, how do you find `f(x+h)`?

Answer 1

Please see the explanation.

Explanation:

Given `f(x) = x^2 - 5`

Substitute x + h for every x:

`f(x + h) = (x + h)^2 - 5`

Expand the square:

`f(x + h) = x^2 + 2hx + h^2 - 5`