Solve the problem.April shoots an arrow upward into the air at a speed of 64 feet per second from a platform that is 28 feet high. The height of the arrow is given by the function h(t) = -16t2 + 64t + 28, where t is the time is seconds. What is the maximum height of the arrow?
A. 24 ft
B. 28 ft
C. 64 ft
D. 92 ft
Answer: D
Mathematics
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Find the derivative of the function by first expanding or simplifying the expression. f(x) = (3x + 4)2
A. f'(x) = 9x + 16 B. f'(x) = 9x + 12 C. f'(x) = 18x + 24 D. f'(x) = 6x + 8
Mathematics
Provide an appropriate response.The region shown here is to be revolved about the y-axis to generate a solid. Which of the methods (disk, washer, shell) could you use to find the volume of the solid? How many integrals would be required in each case?
?
What will be an ideal response?
Mathematics
Solve.
= 9 - 
A. 2
B. 
C. 1
D. 
Mathematics
Simplify using order of operations.-6(9 - 45) ÷ (-24)
A. 4 B. -9 C. 9 D. -4
Mathematics