The inverse of function y= 2x + 2 is 1/2x-1.
What is inverse function?
The inverse function returns the original value for which a function gave the output.
The given equation is y= 2x + 2
It is a linear equation of the line of form y= mx + c
Now to find the inverse of the function we interchange the position of variables x and y in the given equation,
y= 2x + 2
x= 2y + 2
⇒2y = x -2
⇒y = x/2 -2/2
⇒y = x/2 -1
or, y = 1/2x -1
Hence the inverse of function y= 2x + 2 is y = 1/2x -1.
So, the correct answer is y = 1/2x -1
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