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2 March, 22:54

Suppose that the functions s and t are defined for all real numbers x as follows. S (x) = 6x t (x) = 2x+2 Write the expressions for (s+t) (x) and (s-t) (2) and evaluate (s*t) (x)

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  1. 2 March, 23:18
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    Below in bold.

    Step-by-step explanation:

    (s + t) x = s (x) + t (x) = 6x + 2x + 2

    = 8x + 2.

    (s - t) x = s (x) - t (x) = 6x - (2x + 2)

    = 4x - 2.

    (s x t) = s (x) * (t (x) = 6x (2x + 2)

    = 12x^2 + 12x.
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