Asked by student
find the domain of the function
1) f(x)= log2( 49-x^2)
2) f(x)=In [1/x+5]
1) f(x)= log2( 49-x^2)
2) f(x)=In [1/x+5]
Answers
Answered by
Steve
the domai of log(x) is x>0
So, we need
1) 49-x^2 > 0
2) 1/x+5 > 0
Just solve those inequalities.
So, we need
1) 49-x^2 > 0
2) 1/x+5 > 0
Just solve those inequalities.
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