Multiple Choice
A metal washer of (outer) radius r inches weighs ounces. A company manufactures 2-inch washers for different customers who have different error tolerances. If the customer demands a washer of weight
ounces, what is the error tolerance for the radius? That is, find
such that a radius of r within the interval
guarantees a weight within
.
A)
B)
C)
D)
Correct Answer:
Verified
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