Isabel purchased a prepaid phone card for $20. long distance calls cost 7 cents a minute using this card. isabel used her card only once to make a distance call. if the remaining credit on her card is $17.13 how many minutes did her call last?

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.

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.