Use a calculator to approximate the area of the surface generated when the given curve is revolved about the x-axis. Round to two decimal places when necessary.y = x4 on [0, 1]
A. 0.23
B. 3.44
C. 1.47
D. 0.55
Answer: B
Mathematics
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Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln(ln 2x)
A. 
B. 
C. 
D. 
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Find the number of subsets of the set.{1, 2, 3, . . . , 8}
A. 512 B. 252 C. 256 D. 16
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Find the divergence of the field F.F = 3x6i - 5xyj - 5xzk
A. 18x5 - 10x B. 18x5 - 5y - 5z C. 8 D. 18x5 - 10x + 8
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Factor the polynomial.
A. 
B. 
C. 
D. 
E. 
Mathematics