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Given that ƒ(x) = x² + 4x, evaluate ƒ(-2)
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3 votes
Given that ƒ(x) = x² + 4x, evaluate ƒ(-2)

User Bweber
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2 Answers

4 votes
f(-2)=(-2)2+4(-2)
4-8
-4
User Tronjavolta
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7.7k points
5 votes

f(x)= x^(2) +4x \\ f(-2)= (-2)^(2) +4(-2) \\ =4-8 \\ =-4
User Jon Miles
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8.4k points
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