Question: Suppose that the functions r and s are defined for all real numbers x as follows. r (x) = 2x2 s (1 ) = x-5

Suppose that the functions r and s are defined for all real numbers x as follows. r (x) = 2x2 s (1 ) = x-5 Write the expressions for (s-r) (x) and (s . r) (x) and evaluate (str) (-3). (s - 7) (x) = 0 (s. r ) (x) = 0 X ? ( s + 7 ) ( - 3 ) = 0

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