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

User Nikola Yankov
by
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2 Answers

6 votes
f(-a) = -((-a)2-1)
= -(a2 -1)
= -a2+1 or -1+ a2
User Karthik V
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1 vote
sub -a for x

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