Write the domain of the real function A mathematical expression defines a function f(x) = sqrt(x - [x]), where [x] denotes the greatest integer function.

Q28 of 215 Page 3

Write the domain of the real function

where x is for all real number

Then,

domain=R

Let f be an invertible real function. Write (f^–1 of) (1) + (f^–1 of) (2) + … +(f^–1 of) (100).

Let A = {1, 2, 3, 4} and B = {a, b} be two sets. Write total number of onto functions from A to B.

129

Write the domain of the real function