The inverse of f(x) =2x-1 is

Created: 6 months ago | Updated: 4 days ago

(x-1)/2

(x+1)/2

2x-1

Job Solution Combined Bank (সমন্বিত ব্যাংক) সমন্বিত ৭ ব্যাংক ও ১টি আর্থিক | সিনিয়র_অফিসার | 27-11-2021 গণিত

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Caution: Inverse function (not inverse only)
Formula for inverse function:
1. y = f(x)
=> x => f^-1(y)
2. find x = something

Lets start:
y = f(x) = 2x-1
=> 2x = y+1
=> x = (y+1) / 2
=> f^-1(y) = (y+1) / 2
=> f^-1(x) = (x+1) / 2

1 year ago

1 0

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