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VladimirAG [237]
3 years ago
11

What is the inverse of the function f(x) = 2x + 1?

Mathematics
2 answers:
adoni [48]3 years ago
8 0

f(x)=2x+1\\\\y=2x+1\\2x=y-1\\x=\dfrac{y-1}{2}\\\\f^{-1}(x)=\dfrac{x-1}{2}

hodyreva [135]3 years ago
4 0

Answer:

The inverse f-1(x)  = ( x -  2) / 2.

Step-by-step explanation:

Let 2x + 1 = y

Now find x in terms of y:

2x = y - 1

x = (y - 1) / 2

Replace the x by the inverse f-1(x) and the y by x, so we have:

f-1(x)  = ( x - 2) / 2.

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