Exercises: Relate the Domain of a Function to Its Graph and Quantitative Context

Work through each section in order. Show your work where indicated.

Grade 9·21 problems·~30 min·Common Core Math - HS Functions·group·hsf-if-b-5

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Recall / Warm-Up

Which of the following correctly expresses "all real numbers greater than or equal to 3" in interval notation?

$( 3, \infty )$

$[ 3, \infty )$

$( -\infty, 3 ]$

$( -\infty, 3 )$