For which interval is the function constant?
(4, ∞)
(0, 4)
(−4, 0)
(−∞, −4)

Abaker makes 186 cookies. some are chocolate chip and some are oatmeal raisin, and both kinds are made with and without nuts, as shown in the table above. because they are more popular, the baker made 2/3 of the cookies chocolate chip. if a chocolate chip cookie is chosen at random, what is the probability that it will have nuts? a) 21/93 b) 21/62 c) 41/93 d) 21/41

How to do this , and can some one explain

Twelve less than a number is at most 20