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Practice this yourself on khan academy right now. Learning that logarithms are just a way of expressing "the exponent you have raise base get another number" practice thi. We can graph y=2log₂(x3) by viewing it as a transformation of y=log₂(x).
Watch the next lesson. Watch the next lesson. Understanding how logarithmic scale is different from linear and why it could be useful watch the next lesson.
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