Solve the problem.A water tank is formed by revolving the curve y = 2x4 about the y-axis. Find the volume of water in the tank as a function of the water depth, y.
A. V(y) = 
y3/2
B. V(y) = 
y3/2
C. V(y) = 
y1/2
D. V(y) = 
y9
Answer: A
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Solve the problem.
Southwest Dry Cleaners believes that it will need new equipment in 6 years. The equipment will cost $26,000. What lump sum should be invested today at 2% compounded semiannually, to yield $26,000?
A. $24,548.93 B. $24,487.64 C. $25,169.60 D. $23,073.70
Use the FOIL method to multiply the binomials. Assume any variable exponents represent whole numbers.(9x - y)(7x - 12y)
A. 16x2 - 115xy + 12y2 B. 63x2 - 115xy - 12y2 C. 63x2 - 115xy + 12y2 D. 63x2 + 115xy + 12y2
Find the slope of the line through P(–1,4) and Q(–5,0).
A) m = 0 B) m = 2 C) m = 3 D) m = 1 E) m = –1
Solve the problem.An electrician has to choose different types of wire for different applications. The size of the diameter of the wire is inversely related to the gauge of the wire. The chart below shows some different gauges of wire and their approximate diameters. Use the chart to answer the question. 
Write the diameter of 16 gauge wire in words and as a fraction.
A. Ninety-four thousandths inch; 
= 
B. Thirty-two hundredths inch; 
= 
C. Thirty-two thousandths inch; 
= 
D. Thirty-two ten-thousandths inch; 
= 