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Mathematics, 24.03.2020 20:00 marciekinser

The table below shows some inputs and outputs of the invertible function fff with domain all real numbers.
x | 5 | 3 | 1 | 18 | 0 | 9
f(x) | 9 | -2 | -5 | -1 | 1 | 11
Find the following values:
f^-1 (-2)=
f^-1 (-1)=

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