2.1-2.3 Review

• Function
• Not a Function

Is this mapping a function or not a function? 

• Function
• Not a Function

What is the range of the graph?

• [-7, 5)

• (-3, 1]

• [-3, 1)

• (-7, 5]

What is the domain?

• None of the answer choices

What is the correct equation in 
Slope-Intercept Form?
(y = mx +b)

• y = 1/3x - 1
• y = 1/4x -1
• y = -1/3x +1
• y = -1/4x + 1 

What is the correct equation in 
Slope-Intercept Form?
(y = mx +b)

• x = 4
• y = 4 

What is the correct equation?

• x = 5
• y = 5
• x = - 5
• y = -5 

y = -2/3x + 2
y = 3/2x + 9
These lines are...

• Parallel
• Perpendicular
• Neither

Select the line that is perpendicular to

y = 5x - 10

• y = 5x - 3

• y = 1/5x - 3

• y = -1/5x + 4

• y = -5x + 4

Which is the equation of the line that is parallel to the graph of y = 5x + 7 and has a y-intercept at (0, -2)?

• y = 5x - 2

• y = -2x + 7

• y = 5(x - 2)

• y = -1/5x - 2