What is the coefficient in the expression 2x/7+2

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

Can someone me do math because i am having a breakdown rn because i don’t get it

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance