Homework Help: College Algebra

Posted by Valerie on Saturday, January 22, 2011 at 7:04am.

#3 Choose the end behavior of the graph of the polynomial function.
f(x) -x(x-3)(5x+2), I think I have to foil to get -5x^3-2x^2+15x+6 So I think this one rises to the left and falls to the right. Please let me know if I did these correctly. Thanks

College Algebra - drwls, Saturday, January 22, 2011 at 12:17pm
There is no = sign in your function definition. Is there a typing error?

The "end behavior" is determined by the sign of the x^3 term in this case.

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