Relations and Functions Answers

−4 ___(a)___ x ___(b)___ 4

less than or equal to✔ less thangreater than or equal togreater than

Use the drop downs to determine which symbols would complete the inequality for the range.

less than or equal to✔ less thangreater than or equal togreater than

Which expression means “the total cost, including shipping, of 5 necklaces”? n(5)✔ c(5)c(5)+6

What is the domain of the relation? X -64✔ -46

The set of ordered pairs above: ✔ functionnot a function

Which ordered pairs prevent this relation from being a function?

What does the notation f(0) mean? Multiply f by 0✔ the output (y-value) when x = 0the value of x when the output is 0

The graph above: one-to-one functionfunction (but not one-to-one) ✔ relation (but not a function)

What is the independent (input) variable?✔ n, the number of necklaces$6, the shipping costc, the total cost (in dollars)

This relation is ✔ not a functiona function.

Create your own real-world example of a relation that is a function. Domain: The set of Range: The set of

−4 ___(a)___ x ___(b)___ 4

Domain: {–1}{–1, 2, 4, 5}✔ {–3, –1, 1}{–3, –1, 1, 2, 4, 5}

Which ordered pairs prevent this relation from being a function?

Explain why a graph that fails the vertical-line test does not represent a function. Be sure to use the definition of function in your answer.

What is the range of the relation? ✔ 46-4-6

The mapping diagram above: ✔ functionnot a function