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Mathematics, 25.09.2021 16:10 williams6129

Suppose that the functions r and s are defined for all real numbers x as follows. r(x) = x-5
s(x) = 3x+6
Write the expressions for (r-s) (x) and (r-s) (x) and evaluate (r+s)(-1).
(rs) (-) = 0
(- - -)(-) = 0
(x + 5)(-1) = 0
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Suppose that the functions r and s are defined for all real numbers x as follows. r(x) = x-5
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