All Things Functions Practice

Is this a function?

• Function
• Not a Function

Is this a function?

• Function
• Not a Function

Is this a function? Explain.

• Yes; each x-value has one corresponding y-value.
• No; it is not a straight line.
• Yes; it passes the vertical line test.
• No; there is a line connecting the dots.

Is this mapping a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this set of ordered pairs a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

Is this set of ordered pairs a function or not a function? 

• Function
• Not a Function 

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

Tags

CCSS.8.F.A.1

If f(x)=4x+5, evaluate f(4).

• 21

• -11

• -31

• 25

Tags

CCSS.HSF.IF.A.2

If f(x) = 2x² + 5x - 3, evaluate f(-1).

• f(-1) = -6

• f(-1) = 1

• f(-1) = -10

• f(-1) = -1

Tags

CCSS.HSF.IF.A.2