Quiz about Defining Function Relationships

Question 1

Find f(2)

Accepted Answer

5

Answer

4

Answer

3

Answer

0

Question 2

Question 2.

Accepted Answer

Yes

Answer

No

Question 3

Question 3.

Accepted Answer

No

Answer

Yes

Question 4

Is this is a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 5

Is this a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 6

Which set of ordered pairs is a function?

Accepted Answer

{(6,-5), (7, -3), (8, -1), (9, 1)}

Answer

{(9,5), (10,5), (9,-5), (10,-5)}

Answer

{(3,4), (4,-3), (7,4), (3, 8)}

Answer

{(2, -2), (5, 9), (5, -7), (1, 4)}

Question 7

Is the relation a function? Why.

Accepted Answer

No, because the x-value 11 has two y-values pair with it.

Answer

Yes, because the x-value 11 has two y-values pair with it.

Answer

Yes, because each x-value has only one y-value paired with it.

Answer

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

Question 8

Is the relation a function? Why.

Accepted Answer

No, because the x-value 11 has two y-values pair with it.

Answer

Yes, because the x-value 11 has two y-values pair with it.

Answer

Yes, because each x-value has only one y-value paired with it.

Answer

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

Question 9

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 10

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 11

Is this a function or not?

Accepted Answer

Not a Function

Answer

Function

Question 12

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 13

Is this a function?

Accepted Answer

Yes

Answer

No

Answer

Let me ask my dog...

Answer

Why are there letters in math?

Question 14

Which set of values is not a function?

Accepted Answer

(3,4) (4,-3) (7,4) (3, 8)

Answer

(9,5) (10,5) (4,-5) (8,-5)

Answer

(6,-5) (7, -3) (8, -1) (9, 1)

Answer

(2, -2) (5, 9) (-5, -7) (1, 4)

Question 15

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

Accepted Answer

f(1) = 2 (1) + 1

Answer

f(x) = 21+1

Answer

f(1) = 2x (1) + 1

Question 16

If f(x) = x²-x+3, what would the function look like once you substitute in a -3 to find f(-3)?

Accepted Answer

f(-3) = (-3)² -(-3)+3

Answer

f(-3) = -3²-3+3

Answer

f(-3) = (-3)² -3+3

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