Functions Post Quiz Review

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

• Function
• Not a Function

Is this mapping a function or not a function? 

• Function
• Not a Function 

What is the definition of function?

• Has inputs and outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

• It is a function because no vertical lines hit it twice.
• It's not a function because a vertical line hits it twice.
• It's not a function because no vertical lines hit it twice.
• It is a function because a vertical line hits it twice.

0. Consider the function given below.

1. (−𝟔, 𝟕), (−𝟑, 𝟎), (𝟎, 𝟖), (𝟑, 𝟑), (𝟕, −𝟏𝟎)

2. What point could be added so that it still represents a function?

• (−5, 0)

• (−3, 2)

• (0,6)

• (3, −10)

Which of the following is a function? Select two.

• 
• 
• 
• 
• 

Find the y-intercept of the line that passes through the given point and has the given slope:
 (-2, -1); m= -3

• b = -6
• b = -7
• b = 6
• b = 7

Write the equation in slope intercept form of a line that passes through the given pair of points: (0,-1) and (2,1)

• y =x + 1

• y = x - 1

• y = -x + 1

• y = -x - 1

Find the slope between the two given points: (-2,1) and (5,7)

• 7/6
• 2
• 6/7
• -2