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
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Solve using the elimination method. Use a graphing calculator to check your answer. 8x + 9y = 6216x = 60 - 18y
A. (8, 10) B. (1, 10) C. (1, 6) D. No solution
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
Evaluate the expression x - y for the given values of the variables.x = -28, y = 70
A. -42 B. 98 C. -98 D. 42
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.
?
?
A. 187.5 hundred thousand visitors per year
B. 281.25 hundred thousand visitors per year
C. 225 hundred thousand visitors per year
D. 562.5 hundred thousand visitors per year
E. 1125 hundred thousand visitors per year