[" (c) differentiable if "f" is the function "f(x)" given by "],[" (d) domain of definition of the function "f(x)" given by "],[" The domain of definition of the function "f(x)],[" The domax "x+2^(y)=2" is "],[" equation "2^(x)+2^(y)=2" is "],[" equation "2^(x)+2^(y)=2^(y)" (b) "0<=x<=1]