3 years ago

Given the function f(x) = 3x, find the value of f−1(81).

Mathematics

1 answer:

Vadim26 [7]3 years ago

8 0

$f^{-1}(81)$ is asking for what number x will the function $f(x)=3x$ will produce 81.

3x = 81
x = 27

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