Determine the Graph of a Function

Does this set of values represent a function?

• Yes, it is a Function

• No, it is not a Function

Answer explanation

Every input has exactly one output.

Tags

CCSS.8.F.A.1

For the following set of ordered pairs, what number value must replace the "???" of the last point in order for the set of pairs to be a FUNCTION?
\left\{\left(0,1\right)\left(1,2\right)\left(2,4\right)\left(3,7\right)\left(4,11\right)\left(2,\ ???\right)\right\}

Answer explanation

It MUST be 4! Any other value would mean an input of 2 has more than exactly one output.

Tags

CCSS.8.F.A.1

The inverse has been reflected over which line?

• y = x

• y =1

• y = 0

• y = x + 1

Tags

CCSS.HSF-BF.B.4B

Q1. Is the sky blue?

• A) TRUE

• B) FALSE

Use the horizontal line test to determine if the function has an inverse function.

• yes

• no

Which graph shows the inverse of the graph above?

• 
• 
• 
• 

Tags

CCSS.HSF-BF.B.4C

Graph the inverse

• 
• 
• 
• 

Tags

CCSS.HSF-BF.B.4C

The function is INCREASING if as the x-values increase the y-values _______________.

• Increase

• Decrease

• Stay the Same

• Double in value

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The function is DECREASING if as the x-values increase the y-values _______________.

• Increase

• Decrease

• Stay the Same

• Double in value

What is the vertex of this quadratic equation?  
y = 2(x - 2)²  +  5

• (-2,5)

• (2,5)

• (5,-2)

• (-5,-2)