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Cryptokyo TMUA Problem Set · Q10

Functions & graphsPowers & logarithmsAlgebra

The logarithm function log⁡(x)\log(x) is defined for x>0x>0. For which values of aa does the equation

log⁡(x+a)=log⁡(x)+log⁡(a)\log(x+a)=\log(x)+\log(a)

have a solution?

A0<a<10<a<1
Ba>0a>0
Ca≥1a\ge1
Da>1a>1
Ea>2a>2

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