Functions and Relationships

What is a function?

• A process that takes an input and produces an output

• A visual representation of a mathematical equation

• A relationship between two variables

• A way to define a circle

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the function f(x) defined as?g

• x squared if x is even, x plus 5 if x is odd

• x plus 1

• The next largest number that starts with the same letter as variable x

• The equation of a circle

What is the value of f(2)?

• 1

• 2

• 3

• 4

Tags

CCSS.HSF.IF.A.2

What is the value of f(3)?

• 1

• 2

• 3

• 8

Tags

CCSS.HSF.IF.A.2

What does the function h(a) do?

• Takes the next largest number that starts with the same letter as variable a

• Squares the input a

• Adds 5 to the input a

• Multiplies the input a by 2

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the value of h(2)?

• 1

• 2

• 3

• 4

Tags

CCSS.HSF.IF.A.2

What is the value of h(8)?

• 8

• 9

• 10

• 11

Tags

CCSS.HSF.IF.A.2

What is the equation of the circle in the given visual representation?

• x squared plus y squared equals 2 squared

• x squared plus y squared equals 4

• x plus y equals 2

• x plus y equals 4

Tags

CCSS.HSG.GPE.A.1

Is the relationship between x and y in the visual representation a function?

• Yes, because for every x there is only one y

• Yes, because for every y there is only one x

• No, because for some x there are multiple y values

• No, because for some y there are multiple x values

Tags

CCSS.8.F.A.1

What is the value of y when x is equal to 1 in the visual representation?

• Positive square root of 3

• Negative square root of 3

• Both positive and negative square root of 3

• Zero

Tags

CCSS.HSA.REI.A.2