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Mathematics 20 Online
OpenStudy (anonymous):

A baby elephant weighs 200 pounds at birth. Seven years later, the elephant's weight is 3,000 pounds. What is the rate of change of the weight of the elephant? A) 400 pounds per year B) 429 pounds per year C) 457 pounds per year D) 466 pounds per year

OpenStudy (anonymous):

@KlOwNlOvE

OpenStudy (anonymous):

toilet paper

OpenStudy (anonymous):

3000-200?

OpenStudy (anonymous):

2800

OpenStudy (anonymous):

whenever you find the difference thats the rate at 7 years divide the difference by 7 and the quotient will be your rate per year

OpenStudy (anonymous):

\[\frac{ 2800 }{ 7 }=?\]

OpenStudy (kamibug):

At birth, 0 years have passed and your told the weight after seven years. So we could use coordinates to represent this. Average rate of change means slope. So use the slope formula to get your answer. :) Points: (0, 200) and (7, 3000) Slope Formula: \[\frac{ y_2 - y_1}{ x_2 - x_1 }\]

OpenStudy (anonymous):

400

OpenStudy (kamibug):

*you're

OpenStudy (anonymous):

so its a thxs to all

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

you're welcome

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