Suppose that the functions r and s are defined for all real numbers x as follows.  r(x) = x-5 s(x) = 3x² write the expressions for (r+s) (x) and (r-s) (x) and evaluate (r*s) (2).  (r+s) (x) =  (r-s) (x) = (r*s) (2) =

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Q: I have no idea how to approach this question.  Any insight would be greatly appreciated.

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