M meshun01 New member Joined Feb 11, 2006 Messages 11 Feb 11, 2006 #1 Let f(x) =x^3 -9x. Calulate the difference quotient f(3+h)-f(3)/h for h=.1 ___________ h=.01 ___________ h=-.01 __________ h=-.1 ___________
Let f(x) =x^3 -9x. Calulate the difference quotient f(3+h)-f(3)/h for h=.1 ___________ h=.01 ___________ h=-.01 __________ h=-.1 ___________
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 Feb 11, 2006 #2 \(\displaystyle \frac{((3+h)^{3}-9(3+h))-(3^{3}-9(3))}{h}\) \(\displaystyle =(h+3)(h+6)\)
