Answer: D.
You can get the lowest price at Store C
The pick up fee is $2.50.
After each mile, $1.95 is added.
That is, after the first mile, we have;

Isaac total charge = $27.46;
Generally, let the number of miles driven by the taxi be x, then we have;

Solving for the number of miles Isaac travelled, we have;

CORRECT OPTION:
Answer:
y=2/7x
Step-by-step explanation:
y=mx+b where m=slope and b=y-intercept,
y=2/7x+0
y=2/7x