What is the domain of the function f(x) = log5x?

Question

lilymq · Answer

Is it all real numbers less than zero?

anonymous · Answer

NO IT IS FROM (0,OO)

anonymous · Answer

is there any number that would make this function undefined?

lilymq · Answer

Any number less than 0?

lilymq · Answer

Sorry I'm terrible at math

anonymous · Answer

okay then .....domain is everything but that

anonymous · Answer

any number greater than 0,
0 is a horizontal asymptote

lilymq · Answer

oh alright. well here is the actual 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.

lilymq · Answer

I've ruled out the 3rd, and now the fourth option

lilymq · Answer

I don't think the first option is true, is it the second one?

anonymous · Answer

here is a pic of a f(x)=log(x)

lilymq · Answer

okay

anonymous · Answer

the range of 
F(X)= log 5x is from (-oo,oo)

lilymq · Answer

so I was correct?

anonymous · Answer

yes

lilymq · Answer

oooh yay thank you!

nurali · Answer

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

lilymq · Answer

Awesome thanks guys