1.1: Functions and Evaluating Functions

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

• -1
• 1
• 5
• -5

Tags

CCSS.HSF.IF.A.2

Evaluate the function for the given value:

• 24
• 3
• 80
• 15

Tags

CCSS.HSF.IF.A.2

Evaluate the function for the given value:

• -2
• 70
• 48
• 96

Tags

CCSS.HSF.IF.A.2

Which set of values is a function? (remember to look at the x-values)

• {(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

Evaluate the function when x = 6 

• f(6) = -5
• f(6) = 4
• f(6) = 2
• f(6) = 7

Tags

CCSS.HSF.IF.A.2

Function or Not a Function?

• Function

• Not a Function

Tags

CCSS.8.F.A.1

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

Is this graph a function or not a function?

• Function, passes the Vertical Line Test.

• Not a Function, fails the Vertical Line Test.

Is this graph a function or not a function?

• Function, passes the Vertical Line Test.

• Not a Function, fails the Vertical Line Test.