A function is initally defined by the set of coordinate paits {(-3, 7), (1, 5), (1, 5), (4, 13)}. Which coordinate pair below, if added to this set, prevents the set from representing a function? 1. (2, 5)

2. (5, 0)

3. (-1, 8)

4. (1, -4)

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Find the solution(s) to x^2-14+49=0