If f(x) = x² - x, then f(2) - f(1) equals?
- 2
- 4
- 6
- None of these
Explanation
f(2) = 2² - 2 = 4 - 2 = 2
f(1) = 1² - 1 = 1 - 1 = 0
f(2) - f(1) = 2 - 0 = 2
Last verified on 08-05-2026
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