26-02-2021
Mathematics

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Please help me with this question please help me I beg you

Please help me with this question please help me I beg you class=

Respuesta :

kritika3375 kritika3375

26-02-2021

Step-by-step explanation:

Given

f(x) = 5 / 2x - 1

f^-1( x) = ?

Let

y = f(x)

y = 5/2x - 1

Interchanging the roles of x and y we get

x = 5/2y - 1

2y - 1 = 5/x

2y = 5/x - 1

y = (5/x - 1)/ 2

f^-1(x) = ( 5/x - 1) / 2

Hope it will help :)

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