Find f(a + h) - f(a) for the function. Simplify your answer.

Question

Answer 1

f(a+h) = (a+h)^2 - 13(a+h) + 4

= a^2 + 2ah+ h^2 - 13a - 13h + 4

f(a) = a^2 - 13a + 4

The difference is : 2ah + h^2 - 13h