Solve the problem.The sales of a mature product (one which has passed its peak) will decline according to the function  where t is time in years since the peak sales. Find the sales of a product 23 years after its peak sales if  and  Round to the nearest whole number.

A. 284 sales
B. 35,945,503 sales
C. 142 sales
D. 114,407 sales


Answer: A

Mathematics

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Evaluate the line integral of f(x,y) along the curve C.f(x, y) = x2 + y2, C: y = -3x + 3, 0 ? x ? 3

A. 36
B. 216
C. 36
D. 12

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Graph f by hand by first plotting points to determine the shape of the graph.f(x) = -3

A.

B.

C.

D.

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Solve the problem.A triangular shaped lake-front lot has a perimeter of 1500 ft. One side is 100 ft longer than the shortest side, while the third side is 200 ft longer than the shortest side. Find the lengths of all three sides.

A. 100 ft, 200 ft, 300 ft B. 400 ft, 500 ft, 600 ft C. 500 ft, 600 ft, 700 ft D. 500 ft, 500 ft, 500 ft

Mathematics

Use a graphing calculator to find the coordinates of the turning points of the graph of the polynomial function in the indicated domain interval. Give answers to the nearest hundredth.f(x) = -x4 + 29x2 - 100; [3, 4]

A. (-4, 110.25) B. (5, 887.50) C. (3.81, 110.25) D. (0, 100)

Mathematics