L lm6485 New member Joined Oct 25, 2010 Messages 2 Oct 25, 2010 #1 Determine whether each of these functions is a bijection from R to R a) f(x)=-3x+4 b) f(x)=-3x^2+7 c) f(x)= (x+1)/(x+2) d) f(x)= x^5+1
Determine whether each of these functions is a bijection from R to R a) f(x)=-3x+4 b) f(x)=-3x^2+7 c) f(x)= (x+1)/(x+2) d) f(x)= x^5+1
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Oct 25, 2010 #2 Well, you probably should examine the Domain and Range of each. Let's see what you get.
