Well, you first have to make the mixed fraction into an improper fraction. You then multiply the two fractions and ad the whole number into the total.
That's how i was taught back in the 4th grade... i'm not sure if it's correct but i hope it is-
The sum can be rewritten as y=4x, where y=f(x).
Now, we can rewrite the equation a x=y/4
Therefore, inv(f(x))=x/4
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Step-by-step explanation:
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