Another expression for the given rational function is 
<h3>Indices expression</h3>
Given the rational function expressed as:
x = √rs
We can reconstruct the expression by writing it using exponents as shown;

Separate to have:

Hence another expression for the given rational function is 
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The amount of tax on $17.95 = $17.95 * 0.0825 = $1.48
add this to the 17.95 to get ur answer