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anonymous
 one year ago
Given the function f(x) = 3^(x), find the value of f^(1)(81).
anonymous
 one year ago
Given the function f(x) = 3^(x), find the value of f^(1)(81).

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0We need the inverse again. Remember how?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0y = 3^x x = 3^y Solve for y from here.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0What are your answer choices I am getting something weird

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0f^(1)(81) = 1 f^(1)(81) = 2 f^(1)(81) = 3 f^(1)(81) = 4

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so would it just be C?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I get inverse = \[\frac{ \ln (x) }{ \ln (3) }\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\frac{ \ln (81) }{ \ln (3) }\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i'm kind of confused as to how you got that

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0to be honest, I just checked it on an inverse calculator and that's what i got, so

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I think the answer will be 4. I put in ln81 and got 4.39444915467 and ln3 and got 1.09861228867 Divide them: 4.39444915467/1.09861228867 = 3.999999 So 4

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ah okay i see what you did now
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