graph a

graph b

graph c

graph d

which graph is defined by f(x) = x2 + 5|x| + 6?
(each graph is in order)

Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. if he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black? a)1/192 b)1/72 c)3/220 d)1/55