Application Problem, pls answer dis one

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

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score