Question

Question 41 How many different seven-person committees can be formed each containing 3 women from an available set of 20 women and 4 men from an available set of 30 men? Question 29 Use two of the following sets for each part below. Let X = {a, b, c}, Y = {1, 2, 3, 4} and Z = {s, t}. a) Using ordered pairs defines a function that is one-to-one but not onto. b) Using ordered pairs defines a function that is onto but not one-to-one.

Answer 1