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14 June, 01:39

If f (x) = 2x=2x+1 and g (x) = 2x^2-5

find f (5) and g (3)

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  1. 14 June, 04:20
    0
    f (5) = 11

    g (3) = 13

    Step-by-step explanation:

    f (5) means put 5 in for x

    f (x) = 2x+1

    f (5) = 2 (5) + 1

    = 10+1

    = 11

    g (3) means put 3 in for x

    g (x) = 2x^2-5

    g (3) = 2 (3) ^2 - 5

    = 2 (9) - 5

    = 18 - 5

    =13
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