Algebra 2 Relations and Functions

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values

• No, because the vertical line test shows there are repeating input values

What is the range of the following graph?

• -5, -1,  0 , 1, 5

• -4, -2, 0, 3, 6

• (-4, 1)  ( 6, 0)

• (6, 0)

Evaluate f(x)=-2x+13   for f(10)

• -7

• 1

• -8

• 7

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

• -1

• 1

• 5

• -5

f(x)=-x+3
f(7)=?

• -4

• -6

• 3

• 13

Is this graph a function or not a function? 

• Function 

• Not a Function

• Function
• Not a Function

• Function
• Not a Function

List the ordered pairs

• Input and Output

• (-1, 1), (-2, 1), (-3,2), (-4,2)

• (1,1) (2,4)

• (1,-1), (1,-2), (2,-3), (2,-4)

A relation pairs each input with exactly one output is a

• congruence

• similarity

• function

• mathematical equation