(1, −1), (−2, −7), (0, 1), (−1, −1) and (−5, 2), (2, 6), (3, 2), (4, −5) are functions because each x value corresponds to exactly one y value. a function must have only one output value for each input value.
8(4n + 13) = 6n Use distributive property so :8 (4n) = 32n and 8(13) = 104 32n + 104 = 6n Subtract 32n from each side and you will get: 104 = 26n then you divide each side by 26 and your answer will be: n = 4
