dreatyler78 dreatyler78

02-02-2021
Mathematics

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If f(x) = -2x2- x, what is f(2) and f(3)?

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kirabowen15 kirabowen15

02-02-2021

If f(x) = -2x^2 - x, what is f(2) and f(3)?

f(2) = -2x^2 - x
= -2(2)^2 - 2
= -4^2 - 2
= 16 - 2
f(2) = 14

f(3) = -2x^2 - 2
= -2(3)^2 - 2
= -6^2 - 2
= 36 - 2
f(3) = 34

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