Evaluate the expression without using a calculator.-1/3

A. -4
B. 4
C. - 
D.


Answer: A

Mathematics

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Find the present value. Round to the nearest cent.

A. $23,775.16 B. $10,809.03 C. $10,767.52 D. $5,232.48

Mathematics

Decide whether the relation defines a function.{(-5, 4), (-2, -8), (-1, 8), (7, -2)}

A. Not a function B. Function

Mathematics

Solve the problem.If f(x) = , f(7) = 0, and f(3) is undefined, what are the values of A and B?

A. A = 7, B = 3 B. A = 3, B = 7 C. A = -3, B = -7 D. A = -7, B = -3

Mathematics

Solve the problem.A cellular phone plan had the following schedule of charges:Basic service, including 100 minutes of calls$20.00 per month2nd 100 minutes of calls$0.075 per minuteAdditional minutes of calls$0.10 per minuteWhat is the charge for 200 minutes of calls in one month?What is the charge for 250 minutes of calls in one month?Construct a function that relates the monthly charge C for x minutes of calls.

What will be an ideal response?

Mathematics