A delivery truck driver charges a fixed base price of $6 for 2 miles. After 2 miles, he charges an additional $2 for every mile. After 6 miles, he charges an additional $4 for every mile. Describe the cost of the delivery truck between 1 mile and 2 miles.

A. The cost of the delivery truck between 1 mile and 2 miles is constant.

B. The cost of the delivery truck between 1 mile and 2 miles is increasing.

C. The cost of the delivery truck between 1 mile and 2 miles cannot be determined from the given information.

D. The cost of the delivery truck between 1 mile and 2 miles is decreasing.

B

Step-by-step explanation:

That delivery truck driver charges a fixed base price of $6 for 2 miles.

After 2 miles, he charges an additional $2 for every mile and after 6 miles, he charges an additional $4 for every mile.

We need to describe the cost of the delivery truck between 1 mile and 2 miles.

In the given graph x-axis represents the distance in miles and y-axis represents the cost in dollars.

From the given graph it is clear that the value of function is constant between x=1 and x=2.

It means the cost of the delivery truck between 1 mile and 2 miles is constant.

Therefore, the correct option is B.

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step-by-step explanation: