Functions Review

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

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

Is this mapping a function or not a function? 

• Function
• Not a Function

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

y = 5 - 6x

Find y when x = -5

• -25

• 6

• 4

• 35

Tags

CCSS.HSF.IF.A.2

Is this graph a function or not a function? 

• Function 
• Not a Function

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

f(x) is the same thing as ______.

• y
• x
• input
• an equation

Tags

CCSS.HSF.IF.A.1

Evaluate f(-2) if f(x) = x + 3

• -1
• 1
• 5
• -5

Tags

CCSS.HSF.IF.A.2