Functions

What is the y-intercept of the graph?

• (-2,5)

• (1,0)

• (0,1)

• (-3.104, 0)

What is the y-intercept of the graph?

• (-2,5)

• (1,0)

• (0,1)

• (-3.104, 0)

What is the y-intercept of the graph?

• (-2,5)

• (1,0)

• (0,1)

• (-3.104, 0)

When is the function decreasing?

• (30, 55)

• (40, 60]

• (15, 40)

• (60, -40)

What is the x-intercept shown on the graph?

• (2, 0)
• (-2, 0)
• (0, 3)
• (3, 0)

Identify the graph with a x-intercept of 3 and a y-intercept of - 1

• 
• 
• 
• 

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Identify the increasing interval:

• (0, 4)

• (1, 0) U (1, 4)

• (-1, 1)

• (-∞, -1) U (1, ∞)

Identify the decreasing interval:

• (0, 4)

• (1, 0) U (1, 4)

• (-1, 1)

• (-∞, -1) U (1, ∞)

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function