Mike played a game and earned 25 points if he then lost 30 points what was his final score?
2 answers:
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Answer:
.
For values of x>0, it can be rewritten as
Step-by-step explanation:
For the expression:
We can apply this logarithmical property:
Then,
If we assume values of <em>x </em>> 0 (non negative values for x), then the expression could be rewritten as follows:
, since
We have to remember that <em>domain</em> (all possible values x) for logarithmic function is for all x > 0, or mathematically expressed as:
Domain: