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zordoloom Group TitleBest ResponseYou've already chosen the best response.1
What's the question?
 one year ago

Katieann16 Group TitleBest ResponseYou've already chosen the best response.0
if f(x)=4x8, what is f^1(x)?
 one year ago

MathDad72 Group TitleBest ResponseYou've already chosen the best response.0
Let's do the same thing we did before.
 one year ago

Katieann16 Group TitleBest ResponseYou've already chosen the best response.0
@zordoloom
 one year ago

zordoloom Group TitleBest ResponseYou've already chosen the best response.1
To find the inverse of any function. You start by replace the x and y variables. So in this case, You have the original function f(x)=4x8, f(x) is also y So y=4x8 Start by replacing x with y and y with x So x=4y8 Now solve the equation for y.
 one year ago

zordoloom Group TitleBest ResponseYou've already chosen the best response.1
So x=4y8 Subtract the 4y from the right side and left side You have x4y=8 now subtract the x from both sides 4y=x8 Divide the whole equation by 4 So y=...........
 one year ago

Katieann16 Group TitleBest ResponseYou've already chosen the best response.0
would it be C?
 one year ago

Katieann16 Group TitleBest ResponseYou've already chosen the best response.0
A) f^1(x)=1/2x+2 B) f^1(x)=1/4x+2 C) f^1(x)=1/2x+4 D) f^1(x)=1/4x+4
 one year ago

zordoloom Group TitleBest ResponseYou've already chosen the best response.1
1/4x+(8/4)
 one year ago

zordoloom Group TitleBest ResponseYou've already chosen the best response.1
BTW, thanks for answering my question.
 one year ago

Katieann16 Group TitleBest ResponseYou've already chosen the best response.0
No problem
 one year ago

Katieann16 Group TitleBest ResponseYou've already chosen the best response.0
thanks for answering mine (:
 one year ago
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