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Mathematics 32 Online
OpenStudy (anonymous):

Which of the following statements is true? An exponential function is never 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. The domain of the logarithmic function f(x) = log5x is all real numbers.

OpenStudy (anonymous):

answer please

OpenStudy (mertsj):

The argument of a log function cannot be negative.

OpenStudy (anonymous):

so which one is it

OpenStudy (mertsj):

Let's take them one at a time.

OpenStudy (mertsj):

What is the inverse of an exponential function?

OpenStudy (anonymous):

the first second third or forth

OpenStudy (mertsj):

1. What is the inverse of an exponential function?

OpenStudy (anonymous):

negative number

OpenStudy (mertsj):

What is an exponential function? Can you make up an example?

OpenStudy (anonymous):

y=2^x

OpenStudy (mertsj):

To form the inverse, switch the x and the y. What is it now?

OpenStudy (anonymous):

x=2^y

OpenStudy (mertsj):

Now solve it for y

OpenStudy (anonymous):

i know this stuff i just caant solve this one and i need the answer as quikly as possibal

OpenStudy (mertsj):

Ok. Put it in its log form

OpenStudy (anonymous):

what

OpenStudy (mertsj):

|dw:1365641581889:dw|

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