Use the graph of y = f(x) to graph each function g. g(x) = f(x)+2

검증된 단계별 안내

Understand that the function g(x) = f(x) + 2 represents a vertical shift of the original function f(x).

Recall that adding a constant to a function, like +2, shifts the entire graph of the function upward by that constant amount.

Take each point (x, y) on the graph of y = f(x) and transform it to a new point (x, y + 2) for the graph of g(x).

Plot these new points on the coordinate plane, maintaining the same x-values but increasing each y-value by 2.

Connect the new points smoothly, preserving the shape of the original graph, to complete the graph of g(x) = f(x) + 2.

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주요 개념

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

Function Transformation

Function transformation involves changing the graph of a function in specific ways, such as shifting, stretching, or reflecting. In this case, adding a constant to the function, g(x) = f(x) + 2, shifts the graph vertically.

Vertical Shift

A vertical shift moves the entire graph of a function up or down without changing its shape. Adding 2 to f(x) raises every point on the graph by 2 units, so the graph of g(x) = f(x) + 2 is the graph of f(x) shifted up 2 units.

Graphing Functions

Graphing functions involves plotting points that satisfy the function's equation and connecting them smoothly. Understanding how transformations affect the graph helps in sketching the new function accurately based on the original graph.