During a company's first full year in business, the price of oil increased $50\%$. in the second year of business, the price of oil went down $50\%$ from its price at the beginning of that year. its price at the end of the second year is what percent of its price at the beginning of the first year?

Question 3 (essay worth 10 points) (03.06 mc) part a: max rented a motorbike at $465 for 5 days. if he rents the same motorbike for a week, he has to pay a total rent of $625. write an equation in the standard form to represent the total rent (y) that max has to pay for renting the motorbike for x days. (4 points) part b: write the equation obtained in part a using function notation. (2 points) part c: describe the steps to graph the equation obtained above on the coordinate axes. mention the labels on the axes and the intervals. (4 points)