Which of the following relations is a function? {(8, –5), (–5, 8), (–5, –8), (–8, 5)} {(–7, 6), (6, –7), (–7, 9), (10, 3)} {(2, –3), (–3, 2), (2, 3), (–2, 3)} {(5, –4), (–4, 5), (–5, 4), (4, –5)}

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

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)

Ineed here’s a picture of the question