Arider’s elevation on a ferris wheel can be modeled by the function y=-16 cos(2pix)+18 where x is the time in minutes and y is the riders elevation in meters.

what is the riders elevation at the top of the ferris wheel?

how often does the rider reach the reach the elevation?

what is the midline of the does it represent ?

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Hi, can anyone show me how to do this problem? 100 points for this. in advance

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?