1.4 Practice Features of Functions

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)

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)

Describe the function's end behavior.

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

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

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

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

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,∞)

Identify the function's domain and range.

• domain (-∞,∞) and range (-∞,∞)

• domain (-∞, ∞) and range (-4,∞)

• domain (-∞,∞) and range [-4,∞)

• domain [-3, 1] and range [-4,∞)

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

• x-int (-2,0), (1,0), and (3,0) and y-int (3,0)

• x-int (-2,0), (1,0), and (3,0) and y-int (0,3)

• x-int (0,-2), (0,1), and (0,3) and y-int (0,3)

• x-int (0,-2), (0,1), and (0,3) and y-int (3,0)

Describe the function's end behavior.

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

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

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

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

What is a range?

• set of all x-values

• the height of the graph

• set of all y-values

• the transformations of a graph

What is a domain?

• set of all x-values

• the height of the graph

• set of all y-values

• the transformations of a graph