Topic 3 Review

What is the possible 4th coordinate pair, given that the set is a function { (1, 2), (2, 3), (5, 7) }

• (1, 5)

• (3, 4)

• (5, 10)

• (2, 2)

Does this mapping diagram represent a function or a relation?

• Function

• Relation

Is this mapping a function or a relation?

• Function

• Relation

Does this graph represent a function or a relation?

• Function

• Relation

Given f(x)=-5x-1, find f(-1)

Given the graph of y=f(x), what is f(2)?

• f(2) = 0

• f(2) = -9

• f(2) = -4

• f(2) = -6

Given the graph, find the value of f(8)

f(8) = ?

Which set of ordered pairs represents a function?

• { (9, 8), (-6, -9), (1, -9), (1, 1) }

• { (9, 5), (-7, -8), (6, -8), (4, -1) }

• { (8, 7), (2, -4), (2, 0), (-8, -9) }

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

Given the graph y = f(x), find the value of f(-2)

f(-2) = ?

Is this a graph of a function or a relation?

• Function

• Relation