PLS help me

this is for class, if you get it right i will give brainliest

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

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)