Question 1134367
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Use parentheses.  As another tutor on this site likes to say, they are free.<br>
The given functions, as you show them, are<br>
{{{f(x)= 8x+5}}} and {{{g(x)= x-5/8}}}<br>
Those function are not inverses of each other.<br>
But if you put parentheses in the right place(s) in the definitions of the functions, they would be.<br>
Re-post, showing the correct functions.