Help with explanations for A, B, and C would be greatly appreciated (and upvoted!)

1. (10 points) Let f(x)=1+xn1 where n5. a) (1 points) Explain the difficulty of computing f(x) for a small value of x (i.e., x0 ). b) (4 points) Show how the difficulty in computing f(x) can be circumvented. c) (5 points) Compute the condition number of f(x) for x0