Math
posted by Pea .
An average cab ride is 7.3 miles. The cost is $3 for the first mile and $0.20 for additional 1/10 mile. Write the formula for the cost of the cab ride function C(x).  did not match any documents. No pages were found containing " An average cab ride is 7.3 miles. The cost is $3 for the first mile and $0.20 for additional 1/10 mile. Write the formula for the cost of the cab ride function C(x).".

C(x) = 3 + 2 x
if x is miles not tenths of miles
so
the cost of an average ride is
C(7.3) = 3 + 14.6 = 17.6