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Mathematics 11 Online
OpenStudy (anonymous):

The y-coordinate of the vertex of f(x) = 2x^2 - 32x + 279 is f(8) I believe it is true. Verify?

OpenStudy (anonymous):

you are right

OpenStudy (tkhunny):

You will not impress the test grader with what you believe. You must PROVE it.

OpenStudy (anonymous):

thanks

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