Show Steps: the raidius of a sphere is increasing at the rate of 3 inches per minute. a) find the rate of change of the volume when the radius oft he spehere is 12 inches. Indicate units of measure (for a sphere V = 4/3pier^3)
b) Find the rate of change of the surface area of the sphere when the radius is 18 inches. Indicate units of measure. (For a sphere A= 4 pie r^2)

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)