easy · GMAT Quant
An electronics manufacturer monitors the voltage v and current i of a circuit. The voltage must satisfy |v - 12| ≤ 2 and the current must satisfy |2i - 10| ≤ 4.
If the power W is defined by W = v × i, and v and i can be any real numbers satisfying the constraints, what is the difference between the greatest possible value of W and the least possible value of W?
- 30
- 68
- 64
- 98
- 128
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