Question

I have no idea how to do this could someone explain this to me

If f(x)=x^2+3x+5 What is f(a+h)

Answer 1

http://imgur.com/ErkWWdf

Answer 2

those are the choices

Answer 3

f(x)=x^2+3x+5
x replace with a+h
f(a+h)=(a+h)^2+3(a+h)+5
=a^2+2ah+h^2+3a+3h+5
so option B correct
Further any help post on http://www.mathskey.com/question2answer/ask

Answer 4

@bradely thanks a lot i kind of understand it now