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Find f(­-4) if f(x) = x2 - x
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5 votes
Find f(­-4) if f(x) = x2 - x

User Karl Stephen
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1 Answer

3 votes
You plug in 4 for x
Which would be
(-4)^2-(-4)
-4×-4=16
16-(-4)
16+4=20
f(-4)=20
User Verma
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7.3k points
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