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atroni [7]
3 years ago
12

If ƒ(x) = 2x, then ƒ -1(x) =

Mathematics
2 answers:
barxatty [35]3 years ago
8 0

Answer:

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

Step-by-step explanation:

let y = 2x

Rearrange making x the subject

divide both sides by 2

\frac{y}{2} = x

changing y back into terms of x

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

Semenov [28]3 years ago
4 0

Answer:

f^-1(x) = x/2

Step-by-step explanation:

To find the inverse of a function, we exchange x and y and then solve for y

y =2x

Exchange x and y

x = 2y

and then solve for y

Divide by 2

x/2 =y

The inverse function

f^-1(x) = x/2

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