Question

I need help asap!
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Answer 1

f(x)=8x+1

let f(x)=y

y=8x+1

interchange x&y

x=8y+1

x-1=8y

y=x-1/8So,

f-1(x)= x-1/8

Answer 2

F^-1(x)=0.125x-0.125

Explanation:

Y=8x+1

X=8y+1

8y=x-1

Y=0.125x-0.125