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A ramp follows y = 2x + 1. How much area lies under it from x = 0 to 2?
A6 sq units
B4 sq units
C8 sq units
D5 sq units
Answer & Solution
Correct answer: A. 6 sq units
The integral of 2x + 1 from 0 to 2 is [x² + x] = 4 + 2 = 6.
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