7.A telephone company charges $30 a month and gives the customer 200 free call minutes. After the 200 min, the company charges $0.03 a minute. a) Write the function using function notation. b) Find the cost for talking 350 min in a month. c) Find the cost for talking 180 min in a month.

A party planner needs to figure out how much it will cost her client to rent a space and pay person for meals. If the cost of the rental space is 40,000and the price per person for food is 500. Construct a function that shows the total cost for any number of people in attendance.

Jeff delivers pizza for Papa Jim’s Pizza. Papa Jim’s pays Jeff $6.75 per hour. In addition to this hourly rate, Jeff earns $0.65 for every pizza he delivers.     Write the function that describes Jeff’s wages, where x represents the number of pizzas he delivers during a 8-hour shift.       If Jeff works a 8-hour shift and delivers 67 pizzas during his shift, how much money will he earn?

×(x+6)=9

Assume your salary is $25,000$⁢25,000 per year and $80$⁢80 for each computer you sell. What function represents your total pay for one year? Be sure to indicate any domain restrictions.

Each horse you own eats 4 bales of hay per month. Each bale of hay costs $15. a. Create a function called f whose input is the number of horses you own and whose output is the number of bales of hay eaten per month. Use x as your input variable. b. Create a function called g whose input is the number of bales of hay eaten per month and whose output is the total cost. Use x as your input variable. c. Create a function called / whose input is the number of horses you own and whose output is the total cost. Use x as your input variable. d. If you own 5 horses, use your functions f, g and h to find out how many bales of hay are eaten per month and how much money this will cost. e. Draw a diagram of the three functions f, g, and h. Show the input and output of each function, and their relationship.

Fill in the blanks outside the table showing the changes in the x- and y-values. Then, answer the questions. 1) a. Is it a linear function? b. Why/Why not? -3 1. -2 -1 3 4 1 5 2) a. Is it a linear function? b. Why/Why not? -5 2 1. -2 4 -1 6 1. 2 8 1. 10 3) -10 a. Is it a linear function? 1. -5 b. Why/Why not? 4 2 5 1. 10 -3 4) y a. Is it a linear function? b. Why/Why not? -1 -9 ]. -4 1. 1 1. 3 7 11 1. 11 15