Question

Which of the following is true?

The base of a logarithmic function can be a negative number.

The range of the function f(x) = log5x is all real numbers.

The base of a logarithmic function can be zero.

The domain of the function f(x) = log5x is all real numbers less than zero.

Answer 1

how do you think it ?

Answer 2

what?

Answer 3

what is true ?

Answer 4

where is defined a logarithmic function ?
- what is this domain ?

Answer 5

i think it's the second one.

Answer 6

looks like the last one

Answer 7

,,jackie" i think you need to check it in your math booke
- if you will answer my question will know secure tha right answer

good luck

bye

Answer 8

is that your function?

Answer 9

so i think yes ,this is

Answer 10

http://www.wolframalpha.com/input/?i=graph+y%3Dlog_5%28x%29
the range is not all real numbers because that means all of the negative y's ,0, and all of the positivie y's are being used.
Notice only the values less than zero are being used, look at the graph