Questions 3

a) find the number of permutations of eight tickets taken three five at a time.

b) To survey opinions of customers at MIT university, a student decides to select 4 from 10. How many ways can this be done?

and Why is order is not important?

Questions 4

A coffee shop owner has determined that the production cost for each hamburger are 5$ and the fixed cost are 10000$, If the selling price for each hamburger is 15 $.

1. Write the function of the total cost & Revenue function.

2. Find the number of hamburgers should be sold to Break Even.

3. Determine the Break Even point graphically.u