Exploring Domain and Range with Interval Notation

What is interval notation used for?

• To find the slope of a line

• To solve algebraic equations

• To express a range of numbers on a number line

• To calculate the area under a curve

Tags

CCSS.6.EE.B.8

How do you represent numbers greater than 2 in interval notation?

• (2, ∞]

• [2, ∞]

• [2, ∞)

• (2, ∞)

Tags

CCSS.6.EE.B.8

Why do we use parentheses with infinity in interval notation?

• Because infinity is a negative number

• Because infinity is always included

• Because infinity is not a tangible number

• Because infinity is a whole number

How do you represent numbers greater than or equal to 2 in interval notation?

• [2, ∞]

• (2, ∞]

• (2, ∞)

• [2, ∞)

Tags

CCSS.6.EE.B.8

What does an open circle on a graph indicate?

• The interval is finite

• The number is not included in the interval

• The number is included in the interval

• The interval is infinite

What is the domain of a function?

• The lowest x-value

• The highest y-value

• All possible y-values

• All possible x-values

How do you express the domain of a function that goes from -8 to 11, excluding -8 and 11?

• (-8, 11]

• [-8, 11]

• [-8, 11)

• (-8, 11)

What is the range of a function?

• The lowest y-value

• All possible y-values

• All possible x-values

• The highest x-value

How do you express the range of a function that goes from -4 to 11, including -4 but excluding 11?

• [-4, 11)

• (-4, 11]

• [-4, 11]

• (-4, 11)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is a piecewise function?

• A function that only includes negative values

• A function that only includes positive values

• A function with a single continuous line

• A function composed of multiple segments

Tags

CCSS.HSF-IF.C.7B