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Mathematics 93 Online
OpenStudy (anonymous):

I have the graphs, I just need to know how to describe the end behaviors.....

OpenStudy (anonymous):

Graph the function f(x) = –3x3 + 9x2 – 2x + 3 using graphing technology and describe the end behavior. (1 point) Graph the function f(x) = x4 – 7x3 + 12x2 + 4x – 12 using graphing technology and describe the end behavior. (1 point) Without using technology, describe the end behavior of f(x) = –3x38 + 7x3 – 12x + 13. (1 point) Using complete sentences, explain how to find the zeros of the function f(x) = 2x3 – 9x + 3. (2 points) Create your own polynomial with a degree greater than 2. Attach the graph to the word document and find the zeros of the function. (3 points)

OpenStudy (anonymous):

the end behavior is what happens with the graph when x grows so much this is x->INF

OpenStudy (anonymous):

how do I put that into a sentence though?

OpenStudy (anonymous):

u must write something like this "Down" on the left and "up" on the right.

OpenStudy (anonymous):

okay, so i just describe how the line curves and stuff?

OpenStudy (anonymous):

mmm yes but make the first one to make sure that u r doing it right

OpenStudy (anonymous):

so this is the graph and I would say something along the lines of: the function starts in the upper left of the graph and at (0,3) it curves up until at (1,11) it curves back down into the bottom right?

OpenStudy (anonymous):

does that make any sense?

OpenStudy (anonymous):

mmm no just the end behavior for this graph it is up on the left and down to the right

OpenStudy (anonymous):

i dont understand, sorry

OpenStudy (anonymous):

see what happens when x is negative

OpenStudy (anonymous):

the graph goes upward right¡?

OpenStudy (anonymous):

right

OpenStudy (anonymous):

and what happen when x is positive and grows so much

OpenStudy (anonymous):

it extends downward?

OpenStudy (anonymous):

yes so did u get it now? it is donw to the right

OpenStudy (anonymous):

is that all i say?

OpenStudy (anonymous):

yes it is what u need to say

OpenStudy (anonymous):

okay, I understand. thank you!

OpenStudy (anonymous):

ok any question write it here

OpenStudy (anonymous):

okay, thanks!

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