Piecewise Functions Notes

What is f(-1)?

• 6
• -2
• sqrt(2)
• DNE

What is f(-2)?

• 4
• 1
• 1
• DNE

What is the RANGE of the function?

• (-∞, +∞)
• (-∞, 4]
• (-∞, 4)
• [0, 4]

What is the DOMAIN of the function?

• (-∞, +∞)
• (-∞, 4]
• (-∞, 4)
• [0, 4]

What is f when x equals 4?

• -5
• 0
• 3
• 6

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 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

A piecewise function (f(x)) is shown in the graph. What is f when x equals -4?

• -4
• -2
• 0
• Does not exist