212k views
4 votes
Find the average rate of change for f(x)=9x^2+3 over the interval [x,x+h].

User Sanbornc
by
8.4k points

1 Answer

3 votes

Answer:


9h +18x

Explanation:


(f(x +h) -f(x))/(x+h -x) \\ (9(x +h)^2 +3 -(9x^2 +3))/(h) \\ (9(x^2 +2xh +h^2) +3 -9x^2 -3 )/(h) \\ (9x^2 +18xh +9h^2 +3 -9x^2 -3)/(h) \\ (9h^2 +18xh)/(h) \\ 9h +18x

User Montdidier
by
8.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories