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F (x) = (3x - 2). find f^-1f (10)

F (x) = (3x - 2). find f^-1f (10)-example-1
User Garnertb
by
7.8k points

1 Answer

0 votes

f-¹f(10)=10

Answer:

Solution given:

f(x)=3x-2

let

y=3x-2

interchanging role of x and y

x=3y-2

y=
(x+2)/(3)

so

f-¹(x)=
(x+2)/(3)

now

f(10)=3*10-2=28

now

f-¹f(10)=f-¹(28)=
(28+2)/(3)=10

User NStal
by
7.9k points

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