The circumference c of a circle is a function of its radius r

write the equation in function form

graph the function

is the domain discrete or continuous?

is -2 in the domain? explain

is 6 in the range? explain

What value of x is in the solution set of –5x – 15 > 10 + 20x?

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?