Vocabulary Review: Mark each statement as True or False.
False
True
The answer to the absolute value of 8 is -8.
The absolute value of -8 is -8, since -8 is 8 units from 0 on the number line.
The absolute value of -8 is 8, since -8 is 8 units from 0 on the number line.
According to the definition of absolute value, if |r|= 3, then r = 3 or r = -3.
The definition of absolute value is...
Solve and graph the inequality

Put the interval notations and graphs in the right category.
[3.5]
[3,5)
(3,5]
(-∞,-9)
(3,5)
[5,∞)
Open Interval
Closed Interval
Both
For what interval of x is the function f(x) decreasing?
For what interval of x is the function f(x) negative?
Name an interval of x is the function f(x) positive?
Write the following in interval notation. Use the little side keyboard to find infinity if you need it and type your answer.
Write the following in interval notation.
What is the domain of the function?
What is the range of the function?
Use the graph to create a function with the following features:
1) As x gets smaller; the function approaches negative infinity. x→ - ∞; f(x)→ -∞
2) As x gets larger; the function approaches negative infinity. x→ ∞; f(x)→ -∞
3) The graph of the function passes through the x-axis at -2.
4) The graph of the function passes though the y-axis at y=4
Find the absolute value of this expression:
Find the absolute value of this expression: