Please help me with logarithms?

  • Thread starter Thread starter KelliBbzxx
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KelliBbzxx

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1. If log a(y) =2 log a(x) - log a(5), express y in terms of x
2. If 3 log 2(y) = 3 + log 2(x+4), show that y^3 = 8(x+4)


help however thanks
 
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