Write an expression for the apparent nth term of the sequence. (Assume that n begins with 1.)
2, 7, 12, 17, 22

A.

B.

C.

D.

E.


Answer: E

Mathematics

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Solve the problem.Water is falling on a surface, wetting a circular area that is expanding at a rate of  How fast is the radius of the wetted area expanding when the radius is  (Round your answer to four decimal places.)

A. 0.0279 mm/s B. 71.6283 mm/s C. 0.0140 mm/s D. 0.0877 mm/s

Mathematics

Provide an appropriate response.Explain the behavior of the graph of f(x) as it approaches its vertical asymptote.f(x) = 

A. Approaches -? from the left, approaches ? from the right B. Approaches -? from the left and the right C. Approaches ? from the left, approaches -? from the right D. Approaches ? from the left and the right

Mathematics

x? = x(0.06 ? 0.007x ? 0.0045y) , y? = y (0.03 ? 0.002x ? 0.0012y) , x (0) = 3, y (0) =1

For the systems of differential equation, use Euler’s method with ?x = 2 to plot the trajectory of x and y to plot the trajectory for 0 ? t ? 500 .

Mathematics

A manufacturing company wants to maximize profits on products A, B, and C. The profit margin is $3 for A, $6 for B, and $15 for C. The production requirements and departmental capacities are as follows: What are the constants in the model?

A. 30,000, 38,000, 28,000 B. 2, 3, 3 C. 3, 6, 15 D. 1, 2, 2

Mathematics