Trong không gian vecto R^4 cho các vecto α1 = ( 1, 2 , -1 , 1); α2= ( 3, 1 , 0, 2) ; α3 = ( -1 , 3 -2 , 0)

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.