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RadEnBest ResponseYou've already chosen the best response.1
@Coolsector f(x)^(1/5) = 2x^3 > x^3 = 2 f(x)^(1/5) :)
 one year ago

CoolsectorBest ResponseYou've already chosen the best response.1
oops! you are right f(x)^(1/5) = 2x^3 x^3 =2  f(x)^(1/5) ill call f1(x) the inverse of f(x) so : f1(x) = (2  x^(1/5) )^(1/3)
 one year ago

Brent0423Best ResponseYou've already chosen the best response.0
im confused after f(x)^(1/5)+2=x^3
 one year ago

Brent0423Best ResponseYou've already chosen the best response.0
what is my next step
 one year ago

DenebelBest ResponseYou've already chosen the best response.0
1. first you want to switch x and y (and since f(x) can also be written as y) for example: y = (2x^3)^5 (eqn. 1) will become x = (2y^3)^5 (eqn. 2) Then you want to isolate y from eqn. 2. using algebra
 one year ago

Brent0423Best ResponseYou've already chosen the best response.0
take the 5th root of both sides
 one year ago

DenebelBest ResponseYou've already chosen the best response.0
Yes.. so then you'll have \[\sqrt[5]{x} = (2y ^{3})\] so what will you do?
 one year ago
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