Algebra 2 Function Test

A piecewise function (f(x)) is shown in the graph. What is f when x equals 0?

• -4

• 0

• 1

• Does not exist

What is this type of function called?

• Discrete Function 

• Segment Function

• Step Function

• Jump Function

Which piecewise function corresponds to this graph? (Take your time)

• f(x) = { x  if x < 4;   -x+1  if x ≥ 4

• f(x) = { x  if x ≤ 4;  -x+1  if x > 4

• f(x) = { -x+1  if x < 4;  x  if x ≥ 4

• f(x) = { -x+1  if x ≤ 4;  x if x > 4

What is the RANGE?

• (-∞, +∞)

• (-2, +∞)

• [-2, +∞)

• (-∞, 0) U (0, +∞)

Is this graph a function or not a function? 

• Function 

• Not a Function 

What is f when x equals 8?

• 0

• 5

• 11

• 16

What is the equation of the graph below?

• f(x) = I x + 2 I 

• f(x) = I x + 2 I +2

• f(x) = I x - 2 I +2

• f(x) = I x - 2 I 

What is the Domain and Range of  the Function?

• D:[2,∞)
  R:[0,∞)

• D: All Real numbers
  R:[0,∞)

• D:(2,∞)
  R:(0,∞)

• D:All Real Numbers
  R:(0,∞)

What is f(2)?

• 0

• 1

• 2

• -1

When x is less than or equal to 2, what equation is shown in the graph? 

• f(x) = 3

• f(x) = x

• f(x) = abs(x)

• f(x) = abs(x-1)