Question: 3. [10 points] Classification. a. What is the reason we use a ligistic/sigmoid function ( g(z) ) in logistic regression. b. Show that g'()=g(2)(1-g(z)) c.

3. [10 points] Classification. a. What is the reason we use

3. [10 points] Classification. a. What is the reason we use a ligistic/sigmoid function ( g(z) ) in logistic regression. b. Show that g'()=g(2)(1-g(z)) c. Derive the update rule for gradient descent for logistic regression

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