Solve the problem.A cable TV company charges $22 for the basic service plus $5 for each movie channel. Let y be the total cost in dollars of subscribing to cable TV, using x movie channels. What is the variable cost?

A. $5
B. -$22
C. $22
D. No variable cost


Answer: A

Mathematics

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Express the integrand as a sum of partial fractions and evaluate the integral.

A. 1.73 B. 3.46 C. 1.41 D. 0.87

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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.2x2 - y2 = 18, x = 8

A. ?
B. ?
C. ?
D. ?

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Solve the problem. Round rates to the nearest tenth of a percent, dollar amounts to the nearest cent, and time to the nearest day.Sam Peters signs a $4,500 note. His bank charges a 10% discount rate. Find the effective rate charged by the bank if the note is for 9 months.

A. 9.7% B. 10% C. 10.9% D. 10.8%

Mathematics

Evaluate the expression.C(4, 0)

A. 4 B. 24 C. 1 D. 0

Mathematics