Key Features of a Function Review

What is the y-intercept?

• (6, 0)
• (0, 6)
• (-3, 0)
• (0, -3)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.C.7

What is the minimum of the red function?

• y = -1.75

• y = 1

• y = 1.5

• y = 0

Tags

CCSS.HSF-IF.C.7A

Find the function's x- and y-intercepts.

• x-int (0,-3) and (0,1)

  y-int (-4,0)

• x-int (-3,0) and (1,0)

  y-int (0,-4)

• x-int (-4, 1)

  y-int (-4, ∞)

• x-int (-3,0) and (1,0)

  y-int (0,-3)

Tags

CCSS.HSF-IF.C.7A

Find the function's maximum and minimum points

• no maximum

  minimum (-4,-1)

• no minimum

  maximum (-3, 1)

• no maximum

  minimum (-1,-4)

• maximum (-3,1)

  minimum (0,-3)

Tags

CCSS.HSF-IF.C.7A

Describe the function's end behavior.

•  $As\ x\rightarrow-\infty,\ y\rightarrow-\infty$ 
   $As\ x\rightarrow\infty,\ y\rightarrow-\infty$  
  

•  $As\ x\rightarrow-\infty,\ y\rightarrow-\infty$  
   $As\ x\rightarrow\infty,\ y\rightarrow\infty$  
  

•  $As\ x\rightarrow-\infty,\ y\rightarrow\infty$  
   $As\ x\rightarrow\infty,\ y\rightarrow-\infty$  
  

•  $As\ x\rightarrow-\infty,\ y\rightarrow\infty$  
   $As\ x\rightarrow\infty,\ y\rightarrow\infty$  
  

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

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

• positive (-1, ∞) and negative (-∞, -1)

• positive nowhere and negative (-1, -4)

• positive (-∞,-3) and (1,∞) and negative (-3,1)

• positive (-∞,∞) and negative (-4,∞)

Tags

CCSS.HSF-IF.C.7A

Identify where the function is increasing and where it is decreasing.

• increasing (-1, ∞) and decreasing (-∞,-1)

• increasing (-∞, -1) and decreasing (-1, ∞)

• increasing (-∞,∞) and decreasing nowhere

• increasing (-1, -4) and decreasing (-3, 1)

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Where is the function positive and where is it negative?

• positive (-∞,3) and negative (3,∞)

• positive nowhere and negative (-∞,∞)

• positive (0,1) and negative (3,0)

• positive (0,3) and negative (-1,0)

Tags

CCSS.HSA.APR.B.3

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

How many relative extrema does the function have?

• 3

• 2

• 1

• 5

Identify the turning point of g(x). Is it a maximum or a minimum?

• Maximum at (-2, -6)

• Minimum at (-2, -6)

• Maximum at (0,-2)

• Minimum at (0, -2)