Question

determine the range of the function, f(x)=2|x|/x if someone could also explain the steps to me (calculus). Thank you!

Answer 1

range is whatever value y can take. so it's all real numbers other than 0

Answer 2

or (-infinity; 0)U(0; infinity)

Answer 3

so the answer would be all real numbers or (-infinity;0)U(0;infinity) ?

Answer 4

(-infinity;0)U(0;infinity)

Answer 5

thanks!