Jack and jill’s place is a nonprofit nursery school run by the parents of the enrolled children. since the school is out of town, it has a well rather than a city water supply. lately, the well has become unreliable, and the school has had to bring in bottled drinking water. the school’s governing board is considering drilling a new well (at the top of the hill, naturally). the board estimates that a new well would cost $3,150 and save the school $630 annually for 10 years. the school’s hurdle rate is 8 percent.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

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)

Determine if the equation defines y as a function of x: 2xy = 1. yes o no