The cost of metal is proportional to the weight of the metal. rita bought 1.6 pounds of metal for $4.00. let p represent the number of pounds of metal and c represent the cost in dollars. which equation can be used to determine the cost of pounds of metal?

a. c = 2.4p

b. c = 2.5p

c = 4.0p

c= 6.4p

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)