SOLUTION: 1 task: http://f6.s.qip.ru/JIuHSX0O.jpg (picture) 2 task: http://f6.s.qip.ru/JIuHSX0N.jpg (picture) Please, could you help me to solve these tasks?

Question 978888: 1 task: http://f6.s.qip.ru/JIuHSX0O.jpg (picture)
2 task: http://f6.s.qip.ru/JIuHSX0N.jpg (picture)
Please, could you help me to solve these tasks?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

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1. First do a conversion of the equation.
Bring the linear term into the logarithm.
So then it looks like,

Convert to log base 10,

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From the graph you can see there are three regions of interest.
They are limited by the endpoints where,

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.

So the function is less than 1 when,

.
.
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The other endpoint is determined when,

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.
.

Which converts to a quadratic inequality,

with solutions and
We can only use the positive solution.

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The second problem is solved following the same procedure.

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