| I put II and III for the table one too! Because if y is a function of x, then y=f(x) which means you can just do the vertical line test or whatever.
For the last one with the f(a/4) wasn't the question f(x/2)=sqrt(1+f(x)/2)? And if f(a)=0, then f(a/2)=sqrt(1+0/2)=0.707, then repeat=0.923? |