Wednesday Sept 21

What is the RANGE of this graph?

• -7<x<5
• -7≤x<5
• -3<x<1
• -3≤x<1

What is the Domain of this linear function?

• -3 < x ≤ 5
• x = -1
• 5 < x ≤ -3
• -2 < x ≤ 6

What is the Domain of this linear function?

• -6 ≤ x ≤ 6
• 0 ≤ x ≤ 7
• 2 ≤ x ≤ 7
• No Solution

What is the Range of this linear function?

• -6 ≤ y ≤ 6
• 0 ≤ y ≤ 6
• No Solution
• 4 ≤ y ≤ 3

Is this a function?

• No; because it does not pass the vertical line test.
• Yes; because it does pass the vertical line test.
• No; because it's not in one straight line.
• Yes; because it has 5 points.

Is this mapping a function or not a function? 

• Function
• Not a Function

Evaluate f(-2) if f(x) = x + 3

• -1
• 1
• 5
• -5

Evaluate f(-2) if f(x) = x²+ 3

• -1
• 1
• 7
• -7

Given f(x) = x² - 7x
Find f(8).  

• f(8) = 8 
• f(8) = -3584

Is this mapping a function or not a function? 

• Function
• Not a Function