Question 1149251
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The request, formulated in correct mathematical terms, should sound in this way :


<pre> 
    For given functions f(x) and g(x) below, express function f(x) via the function g(x), 

    and vise versa, express function  g(x) in terms of f(x).
</pre>


Please tell it to your professor . . . 


I mean - let him know.