Solve the problem.The surface area of a hollow cylinder (tube) is given by 
where h is the length of the cylinder and R1 and R2 are the outer and inner radii. If h, R1, and R2 are measured to be 9 inches, 5 inches, and 6 inches respectively, and if these measurements are accurate to within 0.1 inches, estimate the maximum percentage error in computing S.
A. 0.031%
B. 0.051%
C. 0.028%
D. 0.040%
Answer: A
Mathematics
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Find the composition. If f(x) = 6x2 + 5x and g(x) = 3x, find (f ? g)(x).
A. 18x2 + 15x B. 6x2 + 8 C. 54x2 + 15x D. 18x3 + 15x2
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Perform the operation indicated.1.91 ÷ 5
A. 0.482 B. 0.0482 C. 0.382 D. 0.0382
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Differentiate.
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Find the exact solutions of the given equation in the interval [0, 2?).
?
A. ?
B. ?
C. ?
D. ?x = 0
E. ?
Mathematics