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

Evaluate the function ƒ(x) = − (x2 − 1) and simplify at the indicated value: ƒ(−a) = ?
asked 6.7k views
2 votes
Evaluate the function ƒ(x) = − (x2 − 1) and simplify at the indicated value: ƒ(−a) = ?

asked
User Nikola Yankov
by
7.6k points

2 Answers

6 votes
f(-a) = -((-a)2-1)
= -(a2 -1)
= -a2+1 or -1+ a2
answered
User Karthik V
by
9.3k points
1 vote
sub -a for x

f(-a)=-((-a)²-1)
f(-a)=-1(a²-1)
f(-a)=-a²+1
answered
User Fram
by
8.4k points
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