Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log 
A. 10x
B. -10x
C. log x + 1
D. log x - 1
Answer: D
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Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = -7y3i + 7x3j + 8z3k ; C: the portion of the paraboloid x2 + y2 = z cut by the cylinder 
A. - 
?
B. 1701?
C. -1701?
D. 
?
Solve the problem.Stevie bought a stereo for $220 and put it on sale at his store at a 65% markup rate. What was the retail price of the stereo?
A. $263.00 B. $440.00 C. $320.00 D. $363.00
Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.x cos t + x = 2t, y = t sin t + t, t = 
A. 2 + ?
B. 
C. 
D. 2
Use the commutative and associative properties to simplify the expression.30 + 15 + 70 + 40 + 85 + 60
A. 300 B. 330 C. 200 D. 215