SOLUTION: help me to sketch this graph f(x)=x^3+9x^2+15x

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Question 882208: help me to sketch this graph f(x)=x^3+9x^2+15x
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Dips down toward the left, tips upward toward the right, has a root at x=3.

x%28x%5E2%2B9x%2B15%29
other roots are %28-9-sqrt%2881-60%29%29%2F2 and %28-9%2Bsqrt%2881-60%29%29%2F2,
These roots: %28-9-sqrt%2821%29%29%2F2 and %28-9%2Bsqrt%2821%29%29%2F2;
Compute them if you want to.

graph%28300%2C300%2C-9%2C5%2C-15%2C25%2Cx%5E3%2B9x%5E2%2B15x%29