3. Functions

Determine whether each relation defines a function. {(2,4),(0,2),(2,6)}

Determine whether each relation defines a function.

Determine whether each relation defines a function.

Determine whether each relation defines a function, and give the domain and range. {(1,1),(1,-1),(0,0),(2,4),(2,-4)}

Determine whether each relation defines a function, and give the domain and range. {(2,5),(3,7),(3,9),(5,11)}

Determine whether each relation defines a function, and give the domain and range.

Determine whether each relation defines a function, and give the domain and range.

Determine whether each relation defines a function, and give the domain and range.

Determine whether each relation defines a function, and give the domain and range.

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. y=-7/(x-5)

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

Let ƒ(x)=-3x+4 and g(x)=-x²+4x+1. Find each of the following. Simplify if necessary. g(-2)

Let ƒ(x)=-3x+4 and g(x)=-x²+4x+1. Find each of the following. Simplify if necessary. g(10)

Let ƒ(x)=-3x+4 and g(x)=-x²+4x+1. Find each of the following. Simplify if necessary. ƒ(-7/3)