Solve the problem.April shoots an arrow upward into the air at a speed of 32 feet per second from a platform that is 35 feet high. The height of the arrow is given by the function h(t) = -16t2 + 32t + 35, where t is the time is seconds. What is the maximum height of the arrow?

A. 34 ft
B. 16 ft
C. 35 ft
D. 51 ft


Answer: D

Mathematics

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Solve the problem.Car A (travelling north at 30 mph) and car B (traveling west at 20 mph) are heading toward the same intersection. Car A is 6 miles from the intersection when car B is 8 miles from the intersection. Find parametric equations that describe the motion of cars A and B.  

A. Car A: x = 0, y = 30t - 6; Car B: x = 8 - 20t, y = 0 B. Car A: x = 0, y = 20t - 8; Car B: x = 30t - 6, y = 0 C. Car A: x = -30t + 6, y = 0; Car B: x = 8 - 20t, y = 0 D. Car A: x = 20t - 8, y = 0; Car B: x = 0, y = 6 - 30t

Mathematics

Solve the equation. + x = 

A.
B.
C.
D.

Mathematics

Simplify the difference.(7y + 17) - (-5y + 3)

A. 12y + 14 B. -12y - 14 C. 26y D. 12y + 20

Mathematics

Write the expression using a single radical sign. Assume that all variables represent positive real numbers. Simplify the radicand if possible.

A.
B. 28
C.
D. 216

Mathematics