Solve.A rocket is shot straight up in the air from the ground at a rate of 53 feet per second. The rocket is tracked by a rangefinder that is 499 feet from the launch pad. Let d represent the distance from the rocket to the rangefinder and t represent the time, in seconds, since "blastoff". Express d as a function of t.
A. d(t) = 
B. d(t) = 
C. d(t) = 4992 + (53t)2
D. d(t) = 499 + 53t2
Answer: A
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