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

User BaldyHDL
by
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1 Answer

3 votes
First, you need to plug in -2 for x in the expression.
3x(-2)^2-(-2)=
3x4+2=
12+2=
14

User Oleg Serchenko
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7.5k points
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