Intro to Key Features of Functions

Identify the intervals where the function is positive and where it is negative.

• positive x > -1 and negative x < -1

• positive nowhere and negative -4 < x < -1

• positive x < -3 and x > 1 and negative -3 < x < 1

• positive R and negative x < -4

Tags

CCSS.HSF-IF.C.7A

What is the RANGE?

• All Real Numbers

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the DOMAIN?

• All Real Numbers

• {0, 1, 2, 3, 4,...}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

• Increasing

• Decreasing

• Constant

What is the minimum of the blue function?

• y = -2

• y = 1

• y = -4

• y = 0

Tags

CCSS.HSF-IF.C.7D

What is the minimum of the red function?

• y = -1.75

• y = 1

• y = 1.5

• y = 0

Tags

CCSS.HSF-IF.C.7D

Which comparison is correct?

• The blue graph has a smaller minimum than the red graph.

• The red graph has a smaller minimum than the blue graph.

• The red and blue graph have the same minimum value.

• The red graph has a larger maximum than the blue graph.

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept of the blue graph?

• (0, 0)

• (-2, 0)

• (0, 2)

• (2, 0)

Tags

CCSS.HSF-IF.C.7D

What is the y-intercept of the red graph?

• (0, 1)

• (1, 0)

• (2.5, 0)

• (0.5, 0)

Tags

CCSS.HSF-IF.C.7A

What are the green dots called?

• y-intercepts

• maximum

• minimum

• roots/x-intercepts

Tags

CCSS.HSF-IF.C.7A