Brynn and denise launch their rockets at the same time. the height of brynn’s rocket, in meters, is given by the function f(x)=−4.9x^2+75x , where x is the number of seconds after the launch. the height of denise’s rocket, in meters, is given by the function g(x)=−4.9x^2+50x+38 , where x is the number of seconds after the launch. there is a moment when the rockets are at the same height. what is this height rounded to the nearest tenth of a meter?