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If f(n) = n 2 - n, then f(-4) is _____. -20 12 -12 20
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If f(n) = n 2 - n, then f(-4) is _____. -20 12 -12 20

User James Green
by
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1 Answer

3 votes

Answer:

  • 20

Explanation:

Given

  • f(n) = n² - n

To find

  • f(-4)

Solution

  • f(-4) = (-4)² - (-4) = 16 + 4 = 20

Answer: 20

User Hellboy
by
5.2k points
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