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Mathematics 20 Online
OpenStudy (anonymous):

http://media.apexlearning.com/Images/201309/30/af7451cb-1fab-49c7-9c89-685ffe52f350.JPG A. f(x)=(x-2)^2(x+3) B. f(x)=(x-2)(x+3)^2 C. f(x)=(x-3)(x+2)^2 D. f(x)=(x-3)^2(x+2) I think it is D

Directrix (directrix):

The y-intercept is -12. That means that if x = 0, then y = -12. Let's check that in option D. In option D) D. f(x)=(x-3)^2(x+2) Does ( 0-3 )^2 * ( 0 +2) = -12 ? @exmac

OpenStudy (anonymous):

No it does not

OpenStudy (anonymous):

So it is C because (0-3)=-3 And (0-2)^2 is 4 so -3(4) is -12

Directrix (directrix):

A. f(x)=(x-2)^2(x+3) and C. f(x)=(x-3)(x+2)^2 both have y-intercepts of -12.

OpenStudy (anonymous):

Shouldn't it be C since 2 is rising up and 3 is going down?

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