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3 years ago

2 Points

Mathematics

1 answer:

Charra [1.4K]3 years ago

5 0

Answer:

Step-by-step explanation:

let y = x - 2 and rearrange making x the subject, that is

y = x - 2 ( add 2 to both sides )

y + 2 = x

now change x to $f^{-1}$ (x) and y back to x, thus

$f^{-1}$ (x) = x + 2 → D

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