Which of the following statements is true?
- An exponential function is the inverse of a logarithmic function.
- The base of the logarithmic function f(x) = log5x is unknown.
-The range of the logarithmic function f(x) = log5x is all real numbers less than zero.
- The domain of the logarithmic function f(x) = log5x is all real numbers.

Question

Which of the following statements is true?
- An exponential function is the inverse of a logarithmic function.
- The base of the logarithmic function f(x) = log5x is unknown.
 -The range of the logarithmic function f(x) = log5x is all real numbers less than zero.
- The domain of the logarithmic function f(x) = log5x is all real numbers.

anonymous · Answer

i think the first one

anonymous · Answer

na i checked that one, its the opposite.. a logarithmic function is the inverse of an exponential

anonymous · Answer

and its not the second one because the base is 5

anonymous · Answer

ive never been able to understand the domain and range so thats why its confusing me

anonymous · Answer

the domain of logarithmic function is always positive numbers and range is real numbers

anonymous · Answer

so it would be the third one right?

anonymous · Answer

it says all real numbers less than zero but your range can also contain positive numbers like log(25) base (5) = 2...

anonymous · Answer

alright, im just gunna pick that one, because the others ones dont fit either.. but thanks for the help

anonymous · Answer

one more thing...
why is first one not true ??