You already know how to use inequalities to
describe domain and range. If an endpoint is
included-shown by a closed dot, such as in the
graph to the right-use <= or >= instead of sor >
to indicate the number is included.
Complete the inequality for the domain.

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You already know how to use inequalities todescribe domain and range If an endpoint isincludedshown by a closed dot such as in thegraph to the rightuse lt or gt class=