Functions and Inverses Test

What is f when x equals 0?

• -5
• 0
• 1/2
• 1

What is f when x equals 4?

• -5
• 0
• 3
• 6

What is f when x equals 8?

• 0
• 5
• 11
• 16

Using the pictured graph, what is f(-3)? 

• -3
• -1
• 1
• 3

On the graph, which portion of the piecewise function is represented in green?

• x
• 0.5x + 2.5       
• -1
• 0.5x + 2

What is the DOMAIN of the function?

• All real numbers

• x ≤ 4

• x < 4

• 0 ≤ x ≤ 4

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 are the domain restrictions for the green piece of this function?

• -2 < x ≤ 1
• -1 < x ≤ 0.5
• x > -2
• x ≤ 1

How many pieces is this Piecewise Function composed of?

• 1
• 2
• 3
• 4

What is the domain restriction of the blue piece of this function?

• x > 0
• x ≥ 0
• x > 2
• x ≥ 2