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Mathematics 7 Online
OpenStudy (anonymous):

what is the resulting ordered pair if the value of the independent variable is 2? f(x)=-6^3-4x^2 A. (–52, 2) B. (2, –64) C. (2, –52) D. (–64, 2)

OpenStudy (solomonzelman):

independent variable is x. So you have to plug in 2 for x, and find the y. then your pair is going to be (2, "this result for y")

OpenStudy (anonymous):

But which (2, "insert y") is it? :(

OpenStudy (solomonzelman):

your place where you wrote "insert y" you should put the result for y, that you get after plugging 2 instead of x.

OpenStudy (anonymous):

I understand, but what is y?

OpenStudy (solomonzelman):

y and f(x) is the same exact thing

OpenStudy (solomonzelman):

so you need to find f(2)/

OpenStudy (solomonzelman):

(that is in other words)

OpenStudy (anonymous):

Yeah, but is it -64 or -52? :')

OpenStudy (solomonzelman):

wait, your f(x)=-6x³-4x² should say? right? (you left after 6 out)

OpenStudy (solomonzelman):

you left x after 6 out.

OpenStudy (solomonzelman):

f(2)=-6(2)³-4(2)² = ?

OpenStudy (solomonzelman):

or is your f(x) the way it is now?

OpenStudy (anonymous):

I'm asking if the answer is B or C?

OpenStudy (solomonzelman):

i am not completely sure about what your f(x) is, can you re-write it for me pliz?

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