cperez170 cperez170

21-01-2017
Mathematics

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evaluate the function ƒ(x) = − (x2 − 1) and simplify at the indicated value: ƒ(−a) = ?

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mike245 mike245

21-01-2017

f(-a) = -((-a)2-1)
= -(a2 -1)
= -a2+1 or -1+ a2

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apologiabiology apologiabiology

21-01-2017

sub -a for x

f(-a)=-((-a)²-1)
f(-a)=-1(a²-1)
f(-a)=-a²+1

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