Roger is paid $50 to sell videos of a play to an audience after the play is performed.

he also receives $2 for each video he sells. the function e(v)=50+2v
models the amount of money roger earns by selling v videos. the play’s audience consists of 230 people and each audience member buys no more than 1 video.

what is the practical domain of the function? show how you determined defined the practical domain. explain show your process as if you were teaching someone else how to do the work. what is the most that roger can earn?  

Beatrice decides she wants to babysit a few children at the same time to earn the money faster. she tells parents that if they allow her to babysit their children at her house, she will eliminate her automatic $5 tip and will give them an additional $5 discount. (a) write an equation showing the total cost for each client. identify all variables. (b) four parents bring their children to beatrice’s house at the same time for babysitting. beatrice wants to find out how many hours she must babysit the 4 children to earn exactly the $100 she needs in order to buy the present for her mother. write and solve an equation to find the number of hours. justify each step in the solution. (c) one parent decides not to drop off her child. the remaining 3 parents drop their children off at 9 a. m. two of the parents say they will be back at 1 p. m. the third parent says she will pick up her child at 2 p. m. at noon, beatrice realizes she needs feeding the 3 ch

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)