Question

State the domain and range of the following function. {(6,-8), (9,3), (-3,5), (1,-6), (5,7)}

Answer 1

The domain is the set of all x-coordinates.

So here, the domain is {6, 9, -3, 1, 5} which we

can write in ascending order as {-3, 1, 5, 6, 9}.

Note that the domain is usually written in ascending order.

In other words, from least to greatest.

Next, the range is the set of all y-coordinates.

So here, the range is {-8, 3, 5, -6, 7} which we

can write in ascending order as {-8, -6, 3, 5, 7}.

Like the domain, the range is usually written in ascending order.

Answer 2

Domain { -3,1,5,6,9}

Range { -8,-6,3,5,7}

Explanation:

The domain is the inputs

Domain { 6,9,-3,1,5}

We normally put them in order from smallest to largest

Domain { -3,1,5,6,9}

The range is the outputs

Range { -8,-6,3,5,7}