Posted by **danny** on Friday, December 7, 2007 at 2:26am.

Let f(x)=x^4+2x^3-7x^2-8x+12.

A.) Discuss the short run behavior of

f(x).

B.) Discuss the long run behavior of

f(x).

- algebra -
**drwls**, Friday, December 7, 2007 at 3:16am
A) When x = 0, f(x) = 12.

The function probably crosses the x axis a few times. It is 0 when x = 1

B) As x -> + or minus infinity, f(x) goes to infinity and becomes more symmetrical about the y axis, dominated by the x^4 term.

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