the inverse function f^-1 of f( y) = 3 y is
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4
Given,
f(y) = 3y...(i)
To find f-¹off (y)
We know, f(f-¹(y)) = y
=> 3f-¹(y) = y
So f-¹( y) =
Hope it helps:)
Answered by
1
Answer:
y/3
Step-by-step explanation:
f(y) = 3y, let f(y) = x => f-¹(y) = f(x) = y
Here,
=> f(y) = x
=> 3y = x
=> y = x/3
Hence, f-¹(y) = y = x/3. Just by merely replacing y and x, f-¹(y) = y/3.
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