4 3 2 1 -4 -3 -2 -1 2 3 5 -1 -2- -3- -4- 10. From the above graph of y = f(x), find all r-value(s) at which f is not differentiable. + نرا

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A: According to the company rule we can answer only first question and rest can be reposted

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A: This question can be solved using the concept of increasing and decreasing function.