Solve.The monthly cost of a certain long distance service is given by the linear function  where C(t) is in dollars and t is the amount of time in minutes called in a month. Find the cost of calling long distance for 80 minutes in a month.

A. $14.35
B. $15.95
C. $13.35
D. $6.40


Answer: A

Mathematics

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Provide an appropriate response.i) Show that  diverges, and hence  diverges.ii) Show that = 0.

What will be an ideal response?

Mathematics

Solve the problem.A company manufactures two types of lawn mowers, a gas-powered model and an electric model. The company's production plan calls for the production of at least 940 mowers per month. Write the inequality that describes the production plan, if x represents the number of gas-powered mowers and y represents the number of electric mowers.

A. x - y ? 940 B. x + y ? 940 C. x - y ? 940 D. x + y ? 940

Mathematics

Write a fraction to represent the shaded portion of the figure.

A.
B.
C.
D.

Mathematics

Determine the integral by making an appropriate substitution. dx

A. (x - 4)3/2 + C
B. (x + 8) + C
C. (x - 8) + C
D. 3(x - 4)3/2 + C

Mathematics