Solve the problem.The length ? of a metal rod used in manufacturing cars must not differ from the standard s by more than 0.3 inches. The manufacturing engineers express this as 
Find the limits of ? if the standard s is 20.3.
A. 20.6 ? ? ? 20.9
B. ? ? 20 or ? ? 20.6
C. 20 ? ? ? 20.6
D. ? ? 20.6 or ? ? 20.9
Answer: C
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Write an equivalent double integral with the order of integration reversed.
A. 
B. 
C. 
D. 
Use the following definitions to translate the statement into words. p: The monitor is included. q: The color printer is optional. r: The zip drive is extra.p ? (~q)
A. The monitor is not included and the color printer is optional. B. The monitor is included and the color printer is not optional. C. The monitor is not included and the color printer is not optional. D. The monitor is included and the color printer is optional.
Provide an appropriate response. If the discriminant of a quadratic has the value of 8, what is the nature of the roots?
A. The equation has no real number roots. B. The equation has one rational root. C. The equation has two real number roots. D. The equation has two real number equal roots.
Factor the special product.4w4 - 121
A. (2w2 + 11)2 B. (4w2 + 11)(4w2 - 11) C. (2w2 + 11)(2w2 - 11) D. (2w2 - 11)2