February 23, 2017

Homework Help: Pre-Calculus

Posted by Shreya on Wednesday, September 26, 2012 at 7:10pm.

Graphing Polynomials

Decide whether each of the following is sometimes true, always true, or never true and explain reasoning.

A. A cubic function has 2 different x-intercepts

^Never true, has to have 3?

B. A cubic function has 3 x-intercepts

^ Always true

C. A quartic function has the range of all real numbers

^ ?
D. A quartic function has no x-intercepts

^Never true

E. A quadratic function will have at most 2 x-intercepts

Always true

F. A quintic function and a cubic function has the same range


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