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7 June, 19:33

H (x) = - x^2-4 and I (x) = 2x+3

H (I (s))

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  1. 7 June, 19:51
    0
    Easy peasy

    just subsitute I (x) for the x in the h (x) so

    h (I (s)) = - (2s+3) ^2-4

    distribute and simplify

    h (I (s)) = - (4s^2+12s+9) - 4

    h (I (s)) = - 4s^2-12s-9-4

    h (I (s)) = - 4s^2-12s-13
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