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If ƒ(n) = 3n 2 - 7, then ƒ(-2) equals _____.
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If ƒ(n) = 3n 2 - 7, then ƒ(-2) equals _____.

User KidA
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f(n) = 3n² - 7

f(-2) = 3(-2)² - 7
f(-2) = 3(4) - 7
f(-2) = 12 - 7
f(-2) = 5
User JonathanPeel
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