Question

If f(x)=7x^2+3x+5, what is f(3+h)

Answer 1

7h^2+45h+77

Explanation:

You would have to substitute all of the places that say x with 3+h

7(3+h)^2+3(3+h)+5

7(h^2+6h+9)+9+3h+5

7h^2+42h+63+9+3h+5

7h^2+45h+77