Find the indicated derivative. Assume that x is restricted so that ln is defined.f' 
if f(x) = -ln(cos x)
A. 1
B. - 
C. - 
D. 
Answer: D
Mathematics
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Solve the problem.An oil storage tank can be described as the volume generated by revolving the area bounded by 
about the x-axis. Find the volume 
of the tank.
A. 140 m3 B. 1.46 m3 C. 35.0 m3 D. 947 m3
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
A. 54xy10 B. 6xy4 C. 6xy10 D. 6x19y10
Mathematics
Which property or identity justifies the statement?
? 
= 
? 
- 
? 
A. Distributive Property B. Multiplication Property C. Associative Property D. Commutative Property
Mathematics
Solve the linear equation.3(x - 6) + 9 = -(1 - x) - 26
A. -9 B. 4 C. 9 D. -4
Mathematics