Relations and Functions Answers

−4 ___(a)___ x ___(b)___ 4

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

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

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

Domain: {–2, –1, 0, 2, 3, 4}✔ {–2, –1, 0, 4}{–2, 2, 3, 4}

Range: {–2, –1, 0, 2, 3, 4}{–2, –1, 0, 4}✔ {–2, 2, 3, 4}

−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

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

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

Is the relation a function? ✔ yesX no

The set of ordered pairs above: ✔ functionnot a function

The mapping diagram above: ✔ functionnot a function

✔ functionnot a function

The table above: X function✔ not a function

Which ordered pairs prevent this relation from being a function?

Suppose that you could replace the ordered pair (1, 4) to make the relation R (shown left) into a function. Which ordered pair would work?

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