Solve.The cumulative number of deaths, D, attributed to a certain disease can be modeled by 
where 
corresponds to 2001, 
to 2002, and so on. Estimate the cumulative number of deaths in 2025.
A. 895,788 deaths
B. 960,925 deaths
C. 966,025 deaths
D. 8,204,512 deaths
Answer: C
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Write the sum without sigma notation and evaluate it.
A. 4 cos ? + 64 cos 3? = -68 B. 4 cos ? + 16 cos ? + 64 cos ? = -84 C. 4 cos ? + 16 cos 2? + 64 cos 3? = -52 D. 4 cos ? + 16 cos 2? + 64 cos 3? = 52
Solve.The area of a triangular poster is 870 square centimeters. Its altitude is 2 feet shorter than twice its base. Find the lengths of the altitude and base.
A. base = 60 cm; altitude = 14.5 cm B. base = 15 cm; altitude = 58 cm C. base = 30 cm; altitude = 58 cm D. base = 30 cm; altitude = 29 cm
First use front-end rounding to write an estimate of the answer, and then multiply fully to obtain an exact answer.EstimateProblem
?
A. Estimate: 4.8, exact: 5.104136 B. Estimate: 480, exact: 5,104.136 C. Estimate: 48, exact: 51.04136 D. Estimate: 480, exact: 510.4136
Approximate the area under the graph of f(x) and above the x-axis using n rectangles.f(x) = 2x + 3 from x = 0 to x = 2; n = 4; use right endpoints
A. 13 B. 17 C. 11 D. 15