Find the variation equation for the variation statement.z varies directly as x and inversely as y; z = 3 when x = 45 and y = 105
A. z = 
B. z = 
C. z = 
D. z = 7xy
Answer: A
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Find the volume of the solid generated by revolving the region about the given line.The region bounded above by the line 
, below by the curve 
, and on the right by the line 
, about the line 
A. 
?
B. 
?
C. 
?
D. 
?
Solve the problem using the rule of 78s.Veronica used a fixed installment loan from her bank to finance her new car purchase. She borrowed $26,000 and has a 60 monthly payments of $585.00 each. Instead of making her 49th payment, Veronica decides to pay the remaining balance on the loan. What is the total amount due to pay off the balance?
A. $6106.80 B. $6691.80 C. $5801.46 D. $6152.23
Solve the problem.At time t, the position of a body moving along the s-axis is 
m. Find the body's acceleration each time the velocity is zero.
A. a(4) = 24 m/sec2, a(8) = 4 m/sec2 B. a(2) = -6 m/sec2, a(4) = 6 m/sec2 C. a(2) = 0 m/sec2, a(4) = 0 m/sec2 D. a(2) = 6 m/sec2, a(4) = -6 m/sec2
Use the properties of logarithms to evaluate the expression.ln e8
A. e8 B. 8 ln e C. 1 D. 8