Short Answer

Defining Domain and Range from a Performance Graph

You are a junior data analyst at a logistics firm, and your manager asks you to analyze a performance graph of a delivery truck. The graph is a curved segment starting at the point (−5,−4)({}-5, {}-4), passing through (0,−3)({}0, {}-3), and ending at ({}1, {}2). Before you determine the intervals, your supervisor wants to ensure you recall the fundamental definitions.

Define the terms domain and range in the context of a function's graph, and state which axis (horizontal or vertical) corresponds to each.

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Updated 2026-09-19

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