Application problem with a linear function Finding a coordinate Suppose that the credit remaining on a phone cand in collars) is a linear function of the total calling time in minutes. When
graphed, the function gives a line with a slope of -0.14. See the figure below
There is $35.46 in credit remaining on the card atter 39 minutes of calls. How much credit was there after 25 minutes
Remaining
35:46
5
2
Calling time
Erstation
Ched