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# Calculus questions help !! watch

1. Hey, I would really appreciate if someone could help me with these exercises. I have the answers but i dont know how to do the questions because I missed several lessons so if anyone could tell me how to work through them or show some working out that would be great
https://ibb.co/mWgnyS
2. (Original post by Fairly7Local)
Hey, I would really appreciate if someone could help me with these exercises. I have the answers but i dont know how to do the questions because I missed several lessons so if anyone could tell me how to work through them or show some working out that would be great
https://ibb.co/mWgnyS
For the first one, look up the definition of differentiability at a point. For to be differentiable at , the limit must exist. In order for it to exist, we must have (ie approaching from either side of 1 yields the same limit). This is sufficient to answer the question.

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