Final 12/21

3x + 2(4x - 4) = 3

• 4
• 3
• 2
• 1

2 + 14a = -8 + 9a

• -2
• 3
• 5
• -10

Is this table a function or not a function? 

• Function
• Not a Function

Is this a function? Explain.

• Yes; it passes the horizontal line test.
• No; it is not a straight line.
• Yes; it passes the vertical line test.
• No; there is a line connecting the dots.

If f(x) = 2x + 1, find f(1).

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

Evaluate f(-2) if f(x) = x²+ 3.

• -1

• 1

• 7

• -7

Discrete or Continuous?

• Discrete
• Continuous

The weight of a package you are mailing at the post office.

• Discrete
• Continuous

What is the range of the graph?
Remember: Range is y! 

• 1 ≤ x ≤ 5
• 1 < x < 5
• 1 ≤ y ≤ 5
• 1 < y < 5

What is the domain of the graph?
Remember:  Domain is x

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