Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = 25 - x2 between x = -5 and x = 5 using the "midpoint rule" with two rectangles of equal width.
A. 93.75
B. 187.5
C. 10
D. 62.5
Answer: B
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Solve the problem.Find the area of a triangular garden if the sides are approximately 7 feet, 8 feet, and 14 feet (to the nearest square foot).
A. 392 ft2 B. 5 ft2 C. 447 ft2 D. 19 ft2
Solve using elimination.
A. x = 4, y = 4; x = -4, y = 4 or (4, 4), (-4, 4) B. x = 4, y = 0; x = -4, y = 0 or (4, 0), (-4, 0) C. x = 4, y = 0; x = 4, y = 4 or (4, 0), (4, 4) D. x = -4, y = 0; x = -4, y = 4 or (-4, 0), (-4, 4)
Solve.Enrollment in a business seminar increased from 66 people to 89 people. What was the percent of increase?
A.
| 74.2% |
B.
| 25.8% |
C.
| 65.2% |
D. 34.8%
Solve the problem.Capital value is defined as 
where k is the annual rate of interest compounded continuously. Find the capital value of an asset that produces $5000 yearly income at 6% compounded continuously. Round to the nearest dollar.
A. $83,333 B. $80,000 C. $100,000 D. $85,000