the US census bureau
According to data from the US census bureau, the number of retail drug prescriptions (in millions) can be approximated by:
y=83.25x + 2920.94,
where x = 0 corresponds to the year 2000, find the approx. number of prescriptions for
a) 2004
b) 2009
c) in what year will the number of prescriptions be 4,750,000
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I understand that:
A) 3235.95
B) 3670.19
But how do I determine C? Please breakdown