plz help someone called creati deleted all my answers and took all my points even though most of the awnsers were right

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

For the feasibility region shown below find the maximum value of the function p=3x+2y

The length of time it takes to find a parking space at 9 a.m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)