Let A = {x ∈ R: -1 < x < 1}. Which of the following is/are bijective functions from A to itself?
1. f(x) = x|x|
2. g(x) = cos(πx)
Select the correct answer using the code given below :
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2
Let A = {x ∈ R: -1 < x < 1}. Which of the following is/are bijective functions from A to itself?
1. f(x) = x|x|
2. g(x) = cos(πx)
Select the correct answer using the code given below :