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23 May, 11:48

If f (x) = - x2 + 3x + 5 and g (x) = x2 + 2x, which graph shows the graph of (f + g) (x) ?

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  1. 23 May, 14:04
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    f (x) = - x2 + 3x + 5 and g (x) = x2 + 2x

    (f + g) (x) = - x2 + 3x + 5 + x2 + 2x

    (f + g) (x) = 5x + 5
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