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Len [333]
4 years ago
11

If f(x)=2x, then f^-1(x)=

Mathematics
1 answer:
-BARSIC- [3]4 years ago
8 0

f(x)=2x\to y=2x\\\\\text{change x and y}\\\\x=2y\\\\\text{solve for y}\\\\2y=x\qquad|:2\\\\y=\dfrac{x}{2}\\\\Answer:\ f^{-1}(x)=\dfrac{x}{2}

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