College Algebra: reviewing for Final Exam!
Which one of the following functions will have a graph whose end behavior indicates that the graph will rise to the left?
a.) f(x)=-2^4+4x^2-6x+9
b.) f(x)=x^5-4x^2-6x-9
c.) f(x)=-4x^5-4x^2-6x-9
d.) f(x)=-3x^4+4x^2-6x+9

Question

solomonzelman · Answer

$\large\color{black}{a.~~~f(x)=-2x^4+4x^2-6x+9}$

anonymous · Answer

I meant f(x)= on each one

solomonzelman · Answer

;)

solomonzelman · Answer

Yes, but it wouldn't matter....

anonymous · Answer

How so? A is not the answer

solomonzelman · Answer

I just edited option A, not that it is an answer,...

anonymous · Answer

Oh?

solomonzelman · Answer

Okay, so we know that:

$\normalsize\color{black}{\rm Odd~function}$ (saying a 1st ,3rd or 5th, degree polynomial) with the
$\normalsize\color{black}{\rm negative~coefficient}$ of the term with the biggest power, will be:
1) rising to the left
2) falling to the right

Like this:
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