Determine Functions

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

Write the input for the function,

then do the math

Mathematical Equivalence

ON

Tags

CCSS.HSF.IF.A.2

What does the y-intercept represent? (a)  

• You have 100 eggs to start
• You made 100 quiches

What does the slope represent? (a)  

• # of eggs per quiche
• # of quiches per egg

How many quiches can you prepare if you have 70 eggs?

Tags

CCSS.8.EE.B.5

You can identify a function from a graph by using the (a)  

• Horizontal Line Test
• Eye Test
• Vertical Line Test
• Diagonal Line Test

Is this graph a function?

• Function

• Not a Function

Is this graph a function?

• Function

• Not a Function

The input value of​ (a)   ​ has two output values of​​ (b)   ​ and​ (c)   ​​ , which is why the table is not a ​ (d)   ​ ​ .

• -3
• 5
• 10
• function