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13 June, 14:39

Solve 4^2x=7 by graphing

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  1. 13 June, 14:44
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    I can't solve that by graphing but I'll try logarithms:

    log (7) 4 = 2x

    log (7) / log (4) = 2x

    1.403 = 2x

    x = 0.702
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