Functions, Domain/Range and f(x) notation review (7.1-7.4)

Does the following ordered pairs show a Function?

(5,8) (7,10) (9,12) (11,14)

• Yes

• No

Does the following ordered pairs show a Function?

(5,3) (6,7) (5,8) (6,10)

• Yes

• No

What is the domain of this list of points? (2, 3), (3, 5), (4, -6)

• {2, 3, 4}

• {3, 5, -6}

• {-6, 2, 3, 4, 5}

What is the range of this list of points? (3, 5), (4, 5), (6, 10)

• {3, 4, 6}

• {5, 10}

• {3, 4, 5, 6, 10}

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 graph a function or not a function? 

• Function
• 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

Is this is a function or not a function?

• Function
• Not a Function

Tags

CCSS.8.F.A.1

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

• -1
• 1
• 5
•  -5

Tags

CCSS.HSF.IF.A.2

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

• 7
• -2
• -9
• -10

Tags

CCSS.HSF.IF.A.2