Use the graph of g to solve Exercises 71–76.

Find g(2)

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Identify the function g on the graph, which is represented by the red line with points marked.

Locate the x-value of 2 on the horizontal axis (x-axis).

From x = 2, move vertically upwards or downwards until you reach the point on the graph of g.

Determine the y-coordinate of the point on the graph directly above or below x = 2. This y-coordinate is the value of g(2).

Write the value of g(2) as the y-coordinate found in the previous step.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Function Notation

Function notation, such as g(2), represents the output value of the function g when the input is 2. It is a way to denote the relationship between input values (domain) and output values (range) in a function.

Reading a Graph of a Function

To find g(2) from a graph, locate the input value 2 on the x-axis, then find the corresponding point on the graph. The y-coordinate of this point is the value of g(2). This process helps visualize how the function behaves.

Coordinate Plane and Points

The coordinate plane consists of an x-axis (horizontal) and y-axis (vertical). Points on the graph are represented as (x, y), where x is the input and y is the output. Understanding how to interpret these points is essential for analyzing functions.

Use the graph of g to solve Exercises 71–76.Find g(2)