birdie7146 birdie7146

26-03-2019
Mathematics

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What is the inverse of f(x)= √3x+4 -1? (The -1 is separate and not part of the square root) √3x+4

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spacedork spacedork

26-03-2019

Answer:

y=(x^2 -2x-3)/3

Step-by-step explanation:

f(x)= √3x+4 -1

x=√3y+4 -1

(x+1)^2=(√3y+4)^2

3y+4=x^2 +2x+1

3y=x^2 +2x-3

y=(x^2 +2x-3)/3

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