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Pre-Calculus

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45. log b sqrt 7x

46. log b sqrt (3/y)

Could someone please explain these?

  • Pre-Calculus -

    45.
    logb √(7x)
    = logb (7x)^(1/2)
    =(1/2 logb (7x)
    = (1/2) ( logb 7 + logb x)

    do #46 the same way,
    except recall that log(A/B) = logA - logB

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