Consider the following relations from A to B where A = {u, v, w, x, y, z} and B = {p, q, r, s}.

1.{(u, p), (v, p), (w, p), (x, q), (y, q), (z, q)}

2.{(u, p), (v, q), (w, r), (z, s)}

3.{(u, s), (v, r), (w, q), (u, p), (v, q), (z, q)}

4.{(u, q), (v, p), (w, s), (x, r), (y, q), (z, s)}

Which of the above relations are not functions?

Two dice each numbered from 1 to 6 are thrown together. Let A and B…

Two dice each numbered from 1 to 6 are thrown together. Let A and B…

An urn contains one black ball and one green ball. A second urn contains one…

An urn contains one black ball and one green ball. A second urn contains one…

What is the most probable number of successes in 10 trials with probability of success…