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Morgarella [4.7K]
3 years ago
13

What is the inverse of the function f(x) = 2x – 10?

Mathematics
1 answer:
strojnjashka [21]3 years ago
6 0

Answer:

see explanation

Step-by-step explanation:

let y = f(x) then rearrange making x the subject

y = 2x - 10 ( add 10 to both sides )

y + 10 = 2x ( divide both sides by 2 )

\frac{y+10}{2} = x

Change y back into terms of x

f^{-1} (x) = \frac{x+10}{2}

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