# Let f (x) = | x | and g(x) = | x³|, then–

- f (x) and g (x) both are continous at

x = 0 - f(x) and g(x) both are differentiable

at x = 0 - f(x) is differentiable but g(x) is not

differentiable at x = 0 - f(x) and g (x) both are not differentiable at x = 0

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