f(x)= log8 (x + 9)^2
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Originally Posted by J_Pettway f(x)= log8 (x + 9)^2 You can only take the log of positive numbers, so must be greater than zero.
Originally Posted by colby2152 You can only take the log of positive numbers, so must be greater than zero. , , Because The domain is .
Originally Posted by Plato Because The domain is . Wouldn't log properties say ???
Originally Posted by colby2152 Wouldn't log properties say ??? No. Realize that . Of course, your answer is correct if the problem means That is the way most computer algebra systems would read it. But I don't think that is what was meant.
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