SOLUTION: If f(x)= 2x^2 -3, find [f(x+h)-f(x)]/h

Question 961780: If f(x)= 2x^2 -3, find [f(x+h)-f(x)]/h
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
2x^2 -3, find [f(x+h)-f(x)]/h
-------------------
f(x+h) = 2(x+h)^2-3
f(x+h) = 2x^2 + 4hx + 2h^2 - 3
f(x) = 2x^2 - 3
-----
Subtracting you get::
4hx + 2h^2
----
Dividing by h you get:
4x + 2h
-------------------
Cheers,
Stan H.
----------
RELATED QUESTIONS
If f(x)= -2x^2 + 3, find... (answered by MathLover1)

If f(x)=2x^2 - x + 3, find... (answered by Fombitz)

If f(x)= 2x^3 - x, find [f(x+h)-f(x)]/h (answered by Alan3354)

If f(x)= 2x^3 - x, find [f(x+h)-f(x)]/h Please, i'm... (answered by jim_thompson5910)

if f(x)=2x^2+3 , then (f(x+h)-f(x))/h equals... (answered by josgarithmetic)

if f(x)=2x^2+3 , then (f(x+h)-f(x))/h equals... (answered by Boreal)

Using: f(x) = -2x^2-5x+3 Find... (answered by jim_thompson5910)

if f(x)=1/2x find f(x+h)-f(x)/h, h cannot equal... (answered by Alan3354)

If r(x)=2x^3-3x, find... (answered by Earlsdon)