For which of the following functions is f(a+b) = f(a) + f(b) for all positive number a and b ?
A f(x) = x2
B f(x) = x + 1
C f(x) = square root of x
D f(x) = 2/x
E f(x) = -3x
I have no idea
A f(x) = x2
B f(x) = x + 1
C f(x) = square root of x
D f(x) = 2/x
E f(x) = -3x
I have no idea
..Qui ne tente rien n'a rien
