PreCalc Chapter 1 Review

Does this mapping diagram represent a function?

• No, because there are repeating input values
• Yes, because there are no repeating input values

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.

Is this a function?

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this a function?

• Fv

• Nem Fv

Tags

CCSS.8.F.A.1

What is the range of the following relation:
(9, -2) (4, 3)  ( 8, 10) ( -4, 8)

• {-4, 4, 8, 9}
• {-2, 3, 8, 10}
• (9, -2) ( 4, 3)
• (8, 10) (-4, 8)

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)

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Which of the following is the best definition of a function?

• Has inputs and outputs
• Every input has only one output
• Inputs have different outputs every time
• x-values and y-values

Is this graph a function or not a function? 

• Function
• Not a Function

Is this function even, odd, or neither?

• neither
• even
• odd