Function Notation

What is f(4) for this graph?

• 0

• 1

• -4

• 4

g(x) = 3x + 1
g(2) = _______

• 6

• 7

• 8

• 9

j(x) = 2x + 3
j(-1) = ______

• 1

• -1

• 5

• -5

Function F shows the distance a car traveled after h, hours. The graph is shown. A second car's distance can be represented by the function G (h) = 55h. Which car has traveled further after 4 hours, and by how many miles?

• The first car; 160 miles.

• The second car; 165 miles.

• The second car; 60 miles.

• The first car; 90 miles.

• Function
• Not a Function

Which graph is not a function?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

All of the x values or inputs are called what?

• Domain

• Range

• Relation

• Function

What is the range?

• {-5, -1,  0 , 1, 5}

• {-4, -2, 0, 3, 6}

• [-4, 6]

• [-5, 5]

f(x) = -3x + 3
find f(0)

• 0

• -3

• 3

• -1

f(x) = -4x - 10
f( ____ ) = 10

• x = -5

• x = 5

• x = -50

• x = 30