A 5 ft long man walks away from the foot of a 12( ) ft high lamp post at the rate of 3 mph. What will be the rate at which the shadow increases?

A 5 ft long man walks away from the foot of a 12( ) ft high lamp post

1.	A 5 ft long man walks away from the foot of a 12( ) ft high lamp post at the rate of 3 mph. What will be the rate at which the shadow increases?
A.	0mph
B.	1mph
C.	2mph
D.	3mph
Answer» D. 3mph

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A 5 ft long man walks away from the foot of a 12( ) ft high lamp post at the rate of 3 mph. What will be the rate at which the shadow increases?

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