Question: Suppose that the functions r and s are defined for all real numbers x as follows. r(x)=x-2 s(x)=3x^(2) Write the expressions for (r-s)(x) and

Suppose that the functions r and s are defined for all real numbers x as follows.

r(x)=x-2 
s(x)=3x^(2) 
Write the expressions for (r-s)(x) and (r*s)(x) and evaluate (r+s)(3).

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