HELP THIS IS DUE IN 4 MINS

Aquadratic function f(x) has a turning point at (3,-7). what is the turning point of -f(x)?

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?