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 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. y = 2x - 5

Determine whether each relation defines y as a function of x. Give the domain and range. See Example 5. y = √(4x + 1)

Determine whether each relation defines y as a function of x. Give the domain and range. See Example 5. 2 y = ——— x - 3

Let f(x) = -3x + 4 and g(x) = -x² + 4x + 1. Find each of the following. Simplify if necessary. See Example 6. ƒ(0)