Let f(x) = 4x - 7, g(x) = (x + 1)^2, and s(x) = f(x) + g(x). What is s(3)?

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