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How is the graph of (y=(x-2)^3) obtained from (y=x^3)?

Answer and explanation

Correct answer: By shifting (2) units right

The direct answer is option A: shift the graph 2 units to the right. Start with the basic graph y=x^3. For a horizontal translation, replacing x by x-h produces y=(x-h)^3 and moves the graph h units right. Here h=2, so y=(x-2)^3 is the graph of y=x^3 shifted 2 units right. For a point-based check, if the original graph has (0,0), after the shift it becomes (2,0), and indeed (2-2)^3=0. Option A is correct. Option B, 2 units left, would correspond to y=(x+2)^3. Option C, 2 units up, would correspond to y=x^3+2. Option D, 2 units down, would correspond to y=x^3-2. The change is inside the bracket, so it is horizontal, and x-2 means right rather than left. The supplied answer is correct.

Related tags

GraphsTransformationCubic

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