Functions Assessment

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

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

• Function

• Not a Function 

Tags

CCSS.8.F.A.1

Who has the greater rate of change?

• Hunter has the greater rate of change.

• Casey has the greater rate of change 

• They have the same rate of change

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What is the range of the function represented by the set of ordered pairs {(1,2), (2,4), (3,6), (4,8)}?

• {1, 2, 3, 4}

• {2, 4, 6, 8}

• {1, 3, 5, 7}

• {2, 3, 4, 5}

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Which of the following represents a function?

• <(p>{(2,3), (4,5), (2,6)}

• <(p>{(1,2), (3,4), (5,6)}

• <(p>{(7,8), (7,8), (9,10)}

• <(p>{(11,12), (13,14), (11,15)}

Tags

CCSS.8.F.A.1

The mapping ​ (a)   y as a function of x, because ​ (b)  

• does not represent

• does represent

• each x-value corresponds to more than one y-value

• each x-value corresponds to only one y-value

The range of the function represented by the set of ordered pairs {(1,2), (2,4), (3,6), (4,8)} is (a)   .

• {1, 2, 3, 4}

• {2, 4, 6, 8}

• {1, 3, 5, 7}

• {2, 3, 4, 5}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which of the following is not a function?

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