Question

If f(x)=x² + 3x + 5, what is f(a+h)?

Answer 1

f(a + h) = a^2 + h^2 + 2ah + 3a + 3h + 5

Explanation:

f(x)=x² + 3x + 5

f(a+h) = (a + h)^2 + 3(a + h) + 5

f(a + h) = a^2 + 2ah + h^2 + 3a + 3h + 5

f(a + h) = a^2 + h^2 + 2ah + 3a + 3h + 5