In Exercises 1-6, determine whether the relation is a
function. Explain. (See Example 1.)
(1, −2), (2, 1), (3, 6), (4, 13), (5, 22) the circled ones

In Exercises 16 determine whether the relation is a function Explain See Example 1 1 2 2 1 3 6 4 13 5 22 the circled ones class=