The charge in dollars for cab rides in one
city is modeled by f(c) = $4 + $2.5m,
when m is the number of miles traveled.
What is the charge for a 3-mile ride?

answer fast plz

Answer :

f(3) = $4 + $2.5(3)
f(3) = $4 + $7.5
f(3) = $11.50

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