The graph of the function p(x) is sketched below.
p(x)
+
+
X
Which equation could represent p(x)?
a. p(x) = (x2 – 9)(x - 2)
p(x) = x3 - 2x2 + 9x + 18
p(x) = (x2 +9)(x - 2)
P(x) = x3 + 2x2 - 9x - 18

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f