Evaluating Piecewise Functions from Graphs

• greater than

• less than

• greater than or equal to

• less than or equal to

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

• greater than

• less than

• greater than or equal to

• less than or equal to

How do you read this inequality? x < 2

• x is less than or equal to 2

• x is greater than 2

• x is greater than or equal to 2

• x is less than 2

The domain restriction; x > 5 restricts which type of numbers?

• All numbers greater than or equal to 5

• All numbers less than or equal to 5

• All numbers greater than 5

• All numbers less than 5

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