Piecewise Functions HW1

What is the domain of the graph?

• 1≤ x ≤ 4
• 1 < x < 4
• 1≤ y ≤ 4
• 1 < y < 4

What is the range for the following piecewise function?

• $\left(-\infty,\ -5\right]$

• $\left[-3,\ +\infty\right)$

• $\left[-6,\ +\infty\right)$

• $\left(-\infty,\ +\infty\right)$

What is f(-2)?

• 4
• 1
• 1
• DNE

What is m(-3)?

• -3

• 0.5

• 3

• -3.5

Evaluate the function when x = 4

• f(4) = 2(4) - 5 = 3

• f(4) = 2(4) - 5 = -1

• f(4) = ½(4) + 1 = 3

• f(4) = 4

Evaluate the function when x = 6 

• f(6) = -5
• f(6) = 4
• f(6) = 2
• f(6) = 7

What is g(-2) if:

• -7

• 7

• 1

• -1

Find f(1)

• -3

• 6

• 3

• 11

What is f(-1)?

• 6

• -2

• 0

• Error (Nonreal)

Find f(0)

• -3

• 18

• 4

• 0