Solve the problem.Ken is 6 feet tall and is walking away from a streetlight. The streetlight has its light bulb 14 feet above the ground, and Ken is walking at the rate of 4.3 feet per second. Find a function, d(t), which gives the distance Ken is from the streetlight in terms of time. Find a function, 
, which gives the length of Ken's shadow in terms of d. Then find 
. What is the meaning of 
?
A. (S ? d)(t) gives the distance Ken is from the streetlight in terms of time.
B. (S ? d)(t) gives the time in terms of Ken's distance from the streetlight.
C. (S ? d)(t) gives the length of Ken's shadow in terms of his distance from the streetlight.
D. (S ? d)(t) gives the length of Ken's shadow in terms of time.
Answer: D
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