Solve the inequality and graph the solution on the real number line.
?

?

A.


B.


C.


D.


E.



Answer: A

Mathematics

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Solve the problem.A company makes a very durable product. It sells 20,000 in the first year, but will have diminishing sales due to the product's durability, so that each year it can expect to sell only seventy-five percent of the quantity it will have sold the year before. How many products can the company expect to eventually sell?

A. 80,000 products B. 35,000 products C. 26,667 products D. 40,000 products

Mathematics

Graph the function over a one-period interval.y = -  cos (4 [x - ?])

A.

B.

C.

D.

Mathematics

Give an appropriate answer.Given the function f(x, y, z) and the positive number ? as in the formal definition of a limit, find a positive number ? as in the definition that insures  < ?.f(x, y, z) = x + y - z ; ? = 0.09

What will be an ideal response?

Mathematics

Solve the problem.This chart shows the fees for an 18 hole round of golf for each of the last 5 years at a local municipal golf course. Assume that this chart defines a function with the name of f. State the domain of f.

A. {(20, 1995), (24, 1996), (25, 1997), (25, 1998),(28, 1999)} B. {20, 24, 25, 28} C. {(1995, 20), (1996, 24), (1997, 25), (1998, 25),(1999, 28)} D. {1995, 1996, 1997, 1998, 1999}

Mathematics