I need help with taylor series polynomials (remainder)?

Question

Directions: find taylor's formula with remainder if f(x)=x^(1/2), c=4, n=3.

formula for remainder is f^(n+1)(z)/(n+1)! * (x-c)^(n+1)

but,

I don't know where z comes from.... how do you solve for z to get the remainder?

Answer 1

Refer to Duckworth and Lewis

Answer 2

I struggle to work out batting & bowling averages.

Answer 3

I struggle to work out batting & bowling averages.