Dovy
Dovy
12-08-2016
Mathematics
contestada
If f(x)=sqrt{x+3}what is the equation for f^–1(x)
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caylus
caylus
12-08-2016
Hello,
y=√(x+3)
exchange x and y ==> x=√(y+3)
Solve for y: ==>x²=y+3==>y=x²-3=f^(-1)(x)
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