Sweet................
a. (0,4500) initial height
b. take any to points and find slope which is rate in ft per min and is also negative in this case
c. (3,0) hits ground after 3 minutes
d. after b, use y-y1=m (x-x1) for any point (x1,y1)
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1 3/7 ~ One and three sevenths
B is the answer cudijfjdjsksks
The x in y = mx + b represents the input, C.