13 points plz help I need a for real answer Which point could be removed in order to make the relation a function?

(8, 3)
(3, –6)
(–1, 8)
(–4, –2)

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Evaluate f(x) when x = 3. f(x) = 16x? +2 if 6 < x < 9 112 if 9 x < 13 a: 110 b: 56 c: 74 d: 12

What is 4 square root 7^3 in exponential form?