Solve.April shoots an arrow upward into the air at a speed of 32 feet per second from a platform that is 25 feet high. The height of the arrow is given by the function h(t) = -16t2 + 32t + 25, where t is the time is seconds. What is the maximum height of the arrow?

A. 41 ft
B. 25 ft
C. 16 ft
D. 24 ft


Answer: A

Mathematics

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Solve the problem.Suppose that a radio signal transmission pattern can be modeled by  for  where the units are miles. Assume that the positive x-axis points east, and determine the distances of transmission in the east, north, west, and south directions.

A. E: 48 miles, N: 96 miles, W: 48 miles, S: 0 miles B. E: 48 miles, N: 0 miles, W: 48 miles, S: 96 miles C. E: 48 miles, N: 48 miles, W: 48 miles, S: 0 miles D. E: 96 miles, N: 48 miles, W: 0 miles, S: 48 miles

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Evaluate the expression x - y for the given values of the variables.x = -28, y = 70

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Mathematics

The graph shows the number of visitors V to a national park in hundreds of thousands during a one-year period, where  represents January. Estimate the rate of change of V over the interval . Round your answer to the nearest hundred thousand visitors per year.

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Mathematics