L Leo New member Mar 29, 2010 #1 if f(x)=1/x then calculate f(1/x) I come up with 1:1/x = x Is that correct? 2) g(x)=sqroot of x+2 then calculate g(2) I come up with g(2) = sqroot of 4 = +-2 Is that correct?
if f(x)=1/x then calculate f(1/x) I come up with 1:1/x = x Is that correct? 2) g(x)=sqroot of x+2 then calculate g(2) I come up with g(2) = sqroot of 4 = +-2 Is that correct?