Which of the following is true?
The base of a logarithmic function cannot be a negative number.
A logarithmic function is the inverse of a rational function. --->My Answer
The base of a logarithmic function can be zero.
The range of the function f(x) = log5x is all real numbers less than zero.
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a thought that the log was always a inverse of a rational fraction
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i was between a and b
i knew it was c or d because they didnt sound true
The base of a logarithm cannot be a negative number, because
\[\large \log_ab=c~~~~~ \rightleftharpoons~~~~~b=a^c\]
So for example when base, is -2, log base -2 of what gives 16, its 4. Then, what about to what power can you raise -2 to get "-16"?
Also, you noticed that you can't graph
But you can graph
If x is an even integer, y is positive
If x is an odd integer, y is negative