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2 June, 19:26

Given: f (x) = 2x + 5 and g (x) = x2 and h (x) = - 2x

h (g (f (x)))

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  1. 2 June, 19:38
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    Hello here is a solution:

    h (g (f (x))) ?

    g (f (x)) = g (2x+5) = (2x+5) ² = (2x) ²+2 (2x) (5) + 5² = 4x²+20x+25

    h (g (f (x))) (x) = h (4x²+20x+25) = - 2 (4x²+20x+25)

    h (g (f (x))) (x) = - 8x²-40x-50
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