Defined Functions

Given the piecewise function, evaluate g(0).

• 0

• -3

• 4

• 3

Given the piecewise function, evaluate g(3).

• 4

• -7

• -4

• 1

What is the domain interval for the green piece of this function?

• -2 < x ≤ 1

• -1 < x ≤ 0.5

• x > -2

• x ≤ 1

Which graph matches: -x+4 if x < 2 2x-6 if x ≥ 2

• A

• B

• C

• D

Which piecewise function corresponds to this graph?

• 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

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

• -3

• -1

• 1

• 3

Find f(2)

• f(2) = 0

• f(2) = 1

• f(2) = 3

• f(2) = 4

Match the graph with the correct equation.

• 
• 
• 
• 

Use the graph shown of f(x) =

x + 3, x < −1

−4x − 2, x ≥ −1

Over what part of the domain is function f decreasing?

• x < −1

• x ≥ 2

• x ≥ −1

• x < 2

Use the graph shown of f(x) =

x + 3, x < −1

−4x − 2, x ≥ −1

Over what part of the domain is function f increasing?

• x < −1

• x ≥ 2

• x ≥ −1

• x < 2