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26-05-2020
Mathematics

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

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wegnerkolmp2741o wegnerkolmp2741o

26-05-2020

Answer:

The inverse is 1/2 (x-1)

Step-by-step explanation:

y = 2x+1

Exchange x and y

x = 2y+1

Solve for y

x-1 =2y+1-1

x-1 = 2y

Divide by 2

1/2(x-1) = y

The inverse is 1/2 (x-1)

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