Atutor with a group of students. the tutor charges $40 plus $30 for each student in the group. today the tutor has s students and charges a total of $220

Using the graph below, select all statements that are true. a. f(0.6)=0 b. f(-3.2)=-3 c. f(5.1)=5 d. this is the graph of the greatest integer function. e. this graph is one-to-one.

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.