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OpenStudy (anonymous):
find f^-1(x) f(x)=x^2-4, x>_0
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OpenStudy (alexwee123):
f^-1(x) is the inverse change around the y with x so x=y^2-3 x-2=y^2 y=(x-2)^1/2
OpenStudy (anonymous):
lol i like how the 4 changed to a 3 and then to a -2 :P
OpenStudy (alexwee123):
oh lol brain fart... :p x=y^2-4 x-4=y^2 y=(x-4)^1/2
OpenStudy (anonymous):
hehe it's cool. but (x+4)^(1/2) btw
OpenStudy (alexwee123):
lol :D i can't maf
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OpenStudy (anonymous):
lol
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