Question

What is f(3+h)? if f(x)=x^2 +3x+5​

Answer 1

H^2+9H+23

Explanation:

f(3+h)=(3+H)^2+3*(3+H)+5

=9+6H+H^2+9+3H+5

=H^2+9H+23

Answer 2

f(3+h)=(3+h)²+3(3+h)+5=9+6h+h²+9+3h+5=h²+9h+23