Answer:
D)

Explanation:
The Total cost, price plus taxes, will given by
1) Dividing the tax 7 by 100, and write it in its decimal form:

2) Add the number 1, and make it a constant

This function fits to calculate the total cost after a 7% tax. In this case just plug $2,022.30 for x, then solve for y to have the total cost.
