Question

How do you find f(x+h) for the function `f(x)= x^3 + x`?

Answer 1

Use Pascal's Triangle for quick results

Explanation:

`f(x+h) = (x+h)^3 + (x+h)`

Pascal's Triangle is the easiest way to find the bonimial coefficients

`= (x^3 +3 x^2 h + 3 x h^2 + h^3) + (x+h)`