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Mathematics 7 Online
OpenStudy (anonymous):

If f(x) = 3x^2 - x, find f(-2).

OpenStudy (anonymous):

\[f(x) = 3x^2 - x\] \[f(-2) = 3(-2)^2 - (-2)\]

OpenStudy (anonymous):

theres 3 different hawsers 10 14 38

OpenStudy (anonymous):

just substitute all x's with the number

OpenStudy (anonymous):

Can you at least try it first @Zacharymartin ?

OpenStudy (anonymous):

Tyler, I did that.

OpenStudy (anonymous):

-2 squared is 4...multiplied by 3 is 12 -(-2) = +2 so 14

OpenStudy (anonymous):

ya i know im thinking

OpenStudy (anonymous):

@tyler123456789 lets give the asker some time to think and work it out :) Lets not just give out the answer, rather work with them step by step.

OpenStudy (anonymous):

i was almost done solving it too haha

OpenStudy (anonymous):

Haha, okay. What did you get Zach?

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