Key Features of Functions of Graphs

Name the x-intercept(s)?

• 0
• 4
• 2
• 0 and 4

Where is the graph increasing?

• (-∞, -2.55) U (2.55, ∞)
• (0, ∞)
• (-2.55, 0) U (2.55, ∞)
• (-6.25, 36)

What is the interval of decrease?

• (negative infinity, -2)
• (-2, infinity)
• (2, infinity)
• (negative infinity, 2)

Determine the domain of the graph.

• (1, +∞)
• [1, +∞)
• (2, +∞)
• [2, +∞)

What are the x- and y -intercepts on this graph?

• (0,5), (0,5)
• (5,0), (5,0)
• (5,0), (0,5)
• (0,0), (5,0)

What is the range of this function in interval notation?

• (1, infinity)
• [1, infinity)
• (2, infinity)
• [2, infinity)

What is the interval of decrease of this function?

• (1, infinity)
• None
• (2, infinity)
• All real numbers

What is the minimum of this function?

• (2, 1)
• None
• (1, 2)
• Infinity

What is the maximum of this function?

• (2, 1)
• None
• (1, 2)
• [2, 1]

Identify the y-intercept

• (0, -3)

• (0, 1)

• (0, 3)

• (2, 1)