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14 March, 02:54

If s (x) = x-7 and t (x) = 4x^2-x+3 which expression is equivalent to (t•s) (x) ?

4 (x-7) ^2-x-7+3

4 (x-7) ^2 - (x-7) + 3

(4x^2-x+3) - 7

(4x^2-x+3) (x-7)

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Answers (1)
  1. 14 March, 05:40
    0
    Hello:

    s (x) = x-7 and t (x) = 4x²-x+3

    (t•s) (x) = t (s (x)) = t (x-7) = 4 (x-7) ² - (x-7) + 3

    (t•s) (x) = 4 (x-7) ²-x+7+3
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