Question

( x+c^{c}=x g(x)=(y(x))+d i f )
( Rightarrow x in R )

# Let f:R-R be differentiable at ceR and f(c)=0. Ifg(x) = f(x), then at x=c, gis (1) not differentiable (2) differentiable if f'(c) = 0 (3) differentiable if f'(c)=0 (4) not differentiable if f'(c)=0

Solution