Intro to Key Features of Functions

What is the y-intercept?

• (6, 0)
• (0, 6)
• (-3, 0)
• (0, -3)

What are the zeros (x-intercepts)?

• (0, 0) and (0, 4)

• (0, -4) and (0, 0)

• (2, 0) and (3, 0)

• (0, 0) and (4, 0)

Which ordered pair could represent a  
y-intercept on a graph?

• (6, 0)
• (0, 4)
• (-1, 3)
• (2, 0)

On what interval is the graph decreasing?

• (∞, 3)
• (3, -∞)
• (3, ∞)
• (-∞, 3)

On which interval is the graph increasing?

• (-5,-3)

• (-3,-1)

• (1,4)

• (5,∞)

On which interval is the graph constant?

• (-5,-3)

• (-3,-1)

• (1,4)

• (-∞,-5)

What is the absolute maximum?

• None
• (0,4)
• (3,1)
• y = -1

What is the absolute minimum?

• None

• (0,4)

• (1,-1)

• y = -1

What is the y-intercept?

• None
• (0,3)
• (3,1)
• y = -1

What is the domain of the function?

• (-∞,5]
• (-∞,5)
• (-∞,2]
• (-∞,2)