Shifting and Scaling Graphs

Suppose the graph of g is given. Write equations for the graphs that are obtained from the graph of g by shifting, scaling, or reflecting, as indicated.

f. Compress horizontally by a factor of 5

검증된 단계별 안내

Start with the function g(x), which represents the original graph.

To compress the graph horizontally by a factor of 5, you need to modify the input variable x in the function g(x).

The horizontal compression by a factor of 5 means that every x-value is divided by 5. This is achieved by replacing x with 5x in the function.

Thus, the new function that represents the horizontally compressed graph is g(5x).

This transformation will make the graph appear narrower, as each point on the graph is now closer to the y-axis.

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주요 개념

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

Horizontal Compression

Horizontal compression refers to the transformation of a graph where the x-coordinates of points on the graph are multiplied by a factor less than 1. In this case, compressing horizontally by a factor of 5 means that for every point (x, g(x)) on the graph of g, the new point will be (x/5, g(x)). This transformation effectively 'squeezes' the graph towards the y-axis.

Function Transformation

Function transformations involve changing the position or shape of a graph through various operations such as shifting, scaling, or reflecting. Each transformation can be represented mathematically, allowing us to derive new functions from existing ones. Understanding these transformations is crucial for predicting how the graph will behave after modifications.

Graph of a Function

The graph of a function is a visual representation of the relationship between the input (x-values) and output (y-values) of the function. It provides insight into the function's behavior, including its intercepts, slopes, and overall shape. Analyzing the graph helps in understanding how transformations like shifting and scaling affect the function's characteristics.

Shifting and Scaling GraphsSuppose the graph of g is given. Write equations for the graphs that are obtained from the graph of g by shifting, scaling, or reflecting, as indicated.f. Compress horizontally by a factor of 5