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A baby elephant weighs 200 pounds at birth. Seven years later, the elephant's weight is 3,000 pounds.

Solve for the rate of change of the weight of the elephant. Choose your answer from the following:

A) 400 pounds per year

B) 429 pounds per year

C) 457 pounds per year

D) 466 pounds per year

Respuesta :

Well, based on the question, we know that in 7 years the Elephants has Grown about 3,000 - 200  = 2,800 pounds

Which means the rate is : 2,800 pounds / 7 years   =400 pounds per year . The correct answer is option A 

Hope this helps

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