Basics of Functions

What is the degree of the polynomial function below?

What does the degree of a polynomial function tell you?

• how hot it is

• how many x-intercepts it can have

• how many y-intercepts it has

• how many terms it has

What is the degree of the following function?

y = 25 - x²

Function: y = -3x⁴ +2x² - 8x + 9.
As x approaches infinity, what does y approach?

• infinity

• negative infinity

• 0

• -3

• A

• B

• C

• D

• E

Tags

CCSS.8.F.A.1

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

What is a function in mathematics?

• A set of ordered pairs

• A relation between a set of inputs and a set of possible outputs

• A type of equation

• A geometric shape

Tags

CCSS.8.F.A.1

Which of the following represents a function?

Tags

CCSS.8.F.A.1

• -14/55

• 14/55

• 2

• -2

Tags

CCSS.HSF-BF.A.1B

Is this a function?

• Yes

• No

Tags

CCSS.8.F.A.1