What is the end behavior of the function f(x) = -x3 + 2x2 + 4x + 5?

Up on the left, up on the right
Up on the left, down on the right
Down on the left, up on the right
Down on the left, down on the right

Question

What is the end behavior of the function f(x) = -x3 + 2x2 + 4x + 5? 

 	
	Up on the left, up on the right
	Up on the left, down on the right
	Down on the left, up on the right
	Down on the left, down on the right

anonymous · Answer

On -x3, is the three supposed to be the exponent?

anonymous · Answer

of -x?

anonymous · Answer

Yes @50centolly

anonymous · Answer

And same with 2x^2 @50centolly

anonymous · Answer

ok i wasnt sure

anonymous · Answer

no idea sorry bout that... =S

anonymous · Answer

Its okay. Thanks anyways @50centolly

anonymous · Answer

@zepdrix could you please help me?

zepdrix · Answer

Hey c:

zepdrix · Answer

For end behavior, only pay attention to the leading term (largest power of x), that is the driving force for what happens at the end points.

anonymous · Answer

I am a little confused. So the largest power of x is 4, right? @zepdrix

zepdrix · Answer

|dw:1415952506994:dw|This is for normal cubic function.
(I may be writing the left side incorrectly, maybe you're supposed to read yours FROM the middle)