Find the indicated derivative. Assume that x is restricted so that ln is defined.
if z = (ln x)6 + 
6
A. 
- 
B. 6x (ln x)5 + 
C. 
+ 6x 
5
D. 
- 
Answer: A
Mathematics
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Solve the problem.Find the moment of inertia about the y-axis of the thin semicircular region of constant density 
bounded by the x-axis and the curve 
.
A. 
?
B. 320?
C. 160?
D. 
?
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Evaluate the function.Find f(k) when f(x) = 3x2 + 4x + 5
A. f(k) = 3k2 + 16k + 5 B. f(k) = 9k2 + 16k + 25 C. f(k) = 3k2 + 4k + 5 D. f(k) = 3k2 + 4k + 25
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Graph the fraction on a number line.- 
A. 
B. 
C. 
D. 
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Solve the problem.Consider the rational inequality 
< 0. Without doing any work, give the solution set. (Hint: determine the sign of the numerator and denominator.)
A. ? B. (-?, ?) C. (5, 6) D. (5, ?)
Mathematics