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Which of the following pairs of functions are inverse of each other? A.f(x)=x-8/4+9 and g(x)=4(x+8)-9

B. F(x)=3(x/2)-4 and g(x)=2(x+4)/3
C. F(x)=3(2/x)-10 and g(x)=x/6+10
D.f(x)=4(x-12)+2 and g(x)=x+12/4-2
Plz help

Which of the following pairs of functions are inverse of each other? A.f(x)=x-8/4+9 and-example-1
User Letizia
by
8.4k points

1 Answer

3 votes

Answer:

B

Explanation:

Y = 3x/2 - 4

replace the variables to find the inv function

x = (3y/2)-4

solve for y

×+4 = 3y/2

2(x+4) = 3y

y = 2(x+4) /3

User HiBrianLee
by
8.1k points

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