SOLUTION: A.) Which functionis the inverse function of logx? B.) Which function is the inverse function of 7 to power x?

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: A.) Which functionis the inverse function of logx? B.) Which function is the inverse function of 7 to power x?      Log On


   

Question 591284: A.) Which functionis the inverse function of logx?
B.) Which function is the inverse function of 7 to power x?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
A)
Assuming the base is 10, the inverse is . This is because the two effectively 'undo' each other

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B)
In general, the inverse of is

In this case, b = 7. So the inverse function is