Interval Notation

Express the following in Interval Notation
-9 < x ≤ -4

• [-9, -4]
• (-9,-4]
• [-9, -4]
• (-9,-4)

Look at the graph. Write the inequality in interval notation.

• (-2,5)
• (-∞,-2)⋃(5,∞)
• [-2,5]
• (-∞,-2]∪[5,∞)

Look at the Graph. Write the inequality in interval notation.

• [-4, -1)
• (-4, -1)
• (-4, -1]
• [-4, -1]

What is the increasing interval for the function below?

in interval A the function is

• increasing

• decreasing

• constant

in interval C the function is

• increasing

• decreasing

• constant

in interval E the function is

• increasing

• decreasing

• constant

Which statement is true about this graph?

• This function is always constant
• This function is always increasing
• This function is never increasing
• This function is both increasing and decreasing

• Decreasing Interval

• Increasing Interval

• Constant Interval

Look at the Graph. Write the inequality in interval notation.

• [-4, -1)
• (-4, -1)
• (-4, -1]
• [-4, -1]