.Hello,

I have a problem with the following exercise:

For this question, I wrote, but I am not sure about this.

B(f,1)={g C[0,1]: d1(f,g)<1}

B(f,1)={g C[0,1]: |e^(-x)-g(x)|dx<1}

For the second question, I m don't know the way how can I prove that?

Evaluate the integrals! For example:

, and etc.

Tonio

Can someone help me?

Thank you

Richard