<PRE><B>Question 734625</B>
Find a linear equation in the form y=mx+b that models the quantity y after x days. 
a. A quantity y is initially 750 and increases at a rate of 4 per day
Y = 4x + 750
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b. A quantity is initially 2300 and decreases at a rate of 50 per day
y = -50x + 2300
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c.A quantity y is initially 17,875 and remains constant
y = 17,875
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Cheers,
Stan H. 
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