[09.02]
In the function f(x) = 5(x2 - 4x + ) + 15, what number
belongs in the blank to complete the square? (2 points)

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

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.

Which of the following is not a subset of {1,2,3}?