ASAP PLEASE I NEED HELP explain to me also because i dont understand Thank you!
The graph shows the height, y, of a diver x seconds after she jumps from a 25 meter diving platform. At what approximate value of x seconds is the diver's maximum height reached?

A) x = 0
B) x = 1
C) x = 2
D) x = 3.5

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.

Ahovercraft takes off from a platform. its height (in meters), xx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=−2x 2 +20x+48 what is the maximum height that the hovercraft will reach?