Practice problem
Let f(x)=xf(x) = \sqrt{x}f(x)=x. If ccc is a real number satisfying f(c)=c4f(c) = \frac{c}{4}f(c)=4c , then what is f(2c+4)f(2c+4)f(2c+4)?
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Type a concept, like “slope” or “photosynthesis”.
