Question

Every day when commuting to and from work, Stefanie

Answer 1

Answer:

a) $f(x) = 45300 + 143x$

In which 45300 is the current number of miles driven and 143 is the amount of miles she drives each day.

b) 47,016 miles.

Step-by-step explanation:

Question a:

Every day when commuting to and from work, Stefanie drives her car a total of 143 miles for 2.5 hours. Her car already has 45,300 miles on it.

So, after x days of work, the amount of miles driven will be given by

$f(x) = 45300 + 143x$

In which 45300 is the current number of miles driven and 143 is the amount of miles she drives each day.

Question b:

After 4*3 = 12 days of work. So

$f(12) = 45300 + 143*12 = 47016$

47,016 miles.