Determine whether each relation defines a function. See Example 1. {(5, 1), (3, 2), (4, 9), (7, 8)}

Determine whether each relation defines a function. See Example 1. x y 3 -4 7 -4 10 -4

Determine whether each relation defines a function, and give the domain and range. See Examples 1 – 4. x y 0 0 -1 1 -2 2

Determine whether each relation defines a function, and give the domain and range. See Examples 1 – 4.

Determine whether each relation defines a function, and give the domain and range. See Examples 1 – 4.

Determine whether each relation defines y as a function of x. Give the domain and range. See Example 5. y = x²

Determine whether each relation defines y as a function of x. Give the domain and range. See Example 5. x = y⁶

Determine whether each relation defines y as a function of x. Give the domain and range. See Example 5. y = 2x - 5