Piecewise Functions

Which of the piecewise functions matches this graph?

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The graph represents a piecewise function. How many pieces make up the function?

• 1

• 2

• 3

• 4

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

• -2 < x ≤ 1

• -1 < x ≤ 0.5

• x > -2

• x ≤ 1

• A

• B

• C

• D

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

Match each domain to its portion of the function

a

b

c

Find f(-2)

• f(-2) = 0

• f(-2) = 1

• f(-2) = 3

• f(-2) = 4

Evaluate the function when x = 6

• f(6) = -5

• f(6) = 4

• f(6) = 2

• f(6) = 7

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