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Translating the graph of a function: One step Translate each graph as specified below. (a) The graph of \( y=f(x) \) is shown. Translate it to get the graph of \( y=f(x)+2 \). (b) The graph of \( y=g(x) \) is shown. Translate it to get the graph of \( y=g(x+5) \). Part (a) Part (b)

Ask by Bradley Rodriquez. in the United States
Feb 22,2025

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Answer

For (a), move the graph of \( y = f(x) \) upward by 2 units. For (b), move the graph of \( y = g(x) \) 5 units to the left.

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Translation of a graph means moving every point of the graph a fixed distance in a fixed direction. (a) For y = f(x) + 2:  • In this case, the “+2” is added to the output (the y-value).  • This means each point (x, f(x)) on the original graph is moved vertically upward 2 units to become (x, f(x) + 2). (b) For y = g(x + 5):  • Here, the input is replaced by (x + 5). This causes a horizontal shift.  • The graph moves in the opposite direction of the sign inside the argument, so it shifts 5 units to the left.  • Each point (x, g(x)) becomes (x − 5, g(x)). So, for (a) you shift the graph upward by 2 units, and for (b) you shift it 5 units to the left.

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For part (a), translating the graph of \( y=f(x) \) to \( y=f(x)+2 \) means you’ll shift the entire graph upward by 2 units. Imagine taking every point on the graph and lifting it straight up; this transformation will maintain the same shape and horizontal positions, but every point will now sit 2 units higher on the y-axis. In part (b), to translate the graph of \( y=g(x) \) to \( y=g(x+5) \), you’ll shift the graph to the left by 5 units. Visualize this as moving the entire graph leftward, where each point will maintain its vertical position, while the horizontal positions will change to reflect that shift. So, all the features of the function will now appear 5 units closer to the y-axis!

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