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Mathematics 15 Online
OpenStudy (anonymous):

What is the function whose graph is y = x^3 but shifted to the left 3 units?

OpenStudy (anonymous):

well, when x=0, we want it to equal -3 ....

OpenStudy (anonymous):

in other words, when x=0, we want the input to equal -3 for any input of x, we want the input itself to be -3 less then x

OpenStudy (anonymous):

lol, -3 less than x is a little redundant ... 3 less than x

OpenStudy (cwrw238):

yes - i just noticed that!

OpenStudy (anonymous):

:) time to eat i spose

OpenStudy (anonymous):

(x-3)^3 ?? I'm confused here.. You guys aren't phrasing it very helpful to me.

OpenStudy (cwrw238):

thats correct

OpenStudy (cwrw238):

hope that helps

OpenStudy (anonymous):

No, that wasn't correct. It was (x+3)^3 to go left.

OpenStudy (cwrw238):

sorry - you are right

OpenStudy (cwrw238):

maybe - I need some food too......

OpenStudy (cwrw238):

lets get this clear people (not least for myself!). x is moved to the left 3 places and the value of f(x) stays at 0 therefore since x is 3 less , in order to keep f(x) at 0 we need to add 3 to x, Therefor x i s replaced by (x +3) Phew!!

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