Problem preview

F-IF.5 Warmup M1-023-A06-V04

Relate a function's domain to its graph and to the real-world quantities it describes.

Interpret domain endpoints in context

Problem

Use the number line to state the domain inequality, explain the treatment of both endpoints, and interpret the domain in context.

Answer choices

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inequality = 13≤a<18; lower = age 13 included; upper = age 18 excluded; context = ages at least 13 years and strictly younger than 18 years

inequality = 13≤a≤18; both ages included

inequality = a≤13 or a>18; ages outside the interval

inequality = 13<a≤18; age 13 excluded and 18 included

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Curriculum context

Course: Math I
Standard: F-IF.5
Category: Functions
Domain: Interpreting Functions
Objective: Relate a function's domain to its graph and to the real-world quantities it describes.
Problem type: Interpret domain endpoints in context