Really simple homework but i need ! freshman hw btw

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)

Which statement is true about the discontinuities of the function f(x) = x-5/ 3x^2-17x-28