Marissa11 Marissa11

10-01-2015
Mathematics

contestada

A function f(x) s defined as f(x)=-8x^2. What is f(-3)?

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konrad509 konrad509

10-01-2015

[tex]f(-3)=-8\cdot(-3)^2\\ f(-3)=-8\cdot9\\ f(-3)=-72 [/tex]

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KelseyRebecca KelseyRebecca

10-01-2015

you substitute the x in the equation -8x^2 so it would be -8(-3)^2 so the answer would be -72

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