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If f(n) = n² - n, then f(-4) is ______. A. -12 B. -20 C. 20 D. 12 ​
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If f(n) = n² - n, then f(-4) is ______.

A. -12
B. -20
C. 20
D. 12
​

If f(n) = n² - n, then f(-4) is ______. A. -12 B. -20 C. 20 D. 12 ​-example-1
User Denis Stephanov
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If f(n) = n² - n, then f(-4) is ______. A. -12 B. -20 C. 20 D. 12 ​-example-1
User Kalle Halvarsson
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