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31 January, 12:05

For the functions LaTeX: u/left (t/right) = 6t-7u (t) = 6 t - 7 and LaTeX: s/left (t/right) = t^2-4s (t) = t 2 - 4, what is LaTeX: s/left (u/left (2/right) / right) s (u (2)) ?

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  1. 31 January, 13:36
    0
    21

    Step-by-step explanation:

    Put the numbers where the letters are and evaluate.

    s (u (2)) = s (6·2 - 7) = s (5) = 5² - 4 = 21
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