SOLUTION: Graph the polynomial function. f(x) = -2x(x + 2)^2

Algebra ->  Equations -> SOLUTION: Graph the polynomial function. f(x) = -2x(x + 2)^2       Log On


   

Question 45599: Graph the polynomial function.
f(x) = -2x(x + 2)^2
Answer by adamchapman(301) About Me  (Show Source):
You can put this solution on YOUR website!
Simplifying the expression will make plotting easier:
f%28x%29+=+-2x%28x+%2B+2%29%5E2
f%28x%29+=+-2x%28x%5E2%2B4x%2B4%29
f%28x%29+=+-2x%5E3%2B-8x%5E2-8x
Then plot y for values of x to obtain the graph:
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+-2x%5E3%2B-8x%5E2-8x%29+
I hope this helps.
Adam
P.S. please visit my website, I only set it up last week and it may be of use to you. The address is http://geocities.com/quibowibbler