If the graph of function f(x)=ax is Then a will be
If a differentiable function f(x) has a relative minimum at x = 0, then the function y = f(x) + ax + b has a relative minimum at x = 0 for
A function f is such that f(x+y) = 2 f(x).f(y). If f(x) is differentiable at x=0, then f(0) can be