Which of the following functions is neither odd nor even?

Which of the following functions is (are) even, odd or neither:

Which of the following functions is (are) even, odd or neither: f(x)=sinx-cosx

Which of the following functions is (are) even, odd or neither: f(x)=sinx-cosx

Which of the following functions is (are) even, odd or neither: f(x)=x^(2)sinx

Which of the following functions is (are) even, odd or neither: f(x)=log((1-x)/(1+x))

Which of the following functions is (are) even, odd or neither: f(x)=(e^(x)+e^(-x))/2

Which of the following functions is (are) even, odd or neither: f(x)=(e^(x)+e^(-x))/2

Which of the following functions is (are) even, odd or neither: f(x)=x^(2)sinx

Which of the following functions is (are) even, odd or neither: f(x)=log((1-x)/(1+x))

Categorize the following functions as odd/even/neither odd nor even functions. Justify your answer : (a)f(x)=x^(3)