Equations as 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

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

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 paired with it.

• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

CCSS.HSF.IF.C.7

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Which set of values is a function?

• {(9,5) (10,5) (9,-5) (10,-5)}

• {(3,4) (4,-3) (7,4) (3, 8)}

• {(6,-5) (7, -3) (8, -1) (9, 1)}

• {(2, -2) (5, 9) (5, -7) (1, 4)}

Tags

CCSS.8.F.A.1

Given that y = x+3

Find the value of y when x = - 2

• -1

• 1

• 5

• -5

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

If y=4x+5, what does y equal when x is 4?

• 21

• -11

• -31

• 25

Tags

CCSS.HSF.IF.A.2

y = 5 - 6x

Find y when x = -5

• -25

• 6

• 4

• 35

Tags

CCSS.HSF.IF.A.2

Find the missing OUTPUT value.

• -19
• -17
• 19
• 17

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1