SOLUTION: A toy rocket is launched directly upward from the ground with an initial velocity of 90ft/sec. Give a function h(x) that describes the rocket height in terms of time

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: A toy rocket is launched directly upward from the ground with an initial velocity of 90ft/sec. Give a function h(x) that describes the rocket height in terms of time       Log On


   



Question 807845: A toy rocket is launched directly upward from the ground with an initial velocity of 90ft/sec. Give a function h(x) that describes the rocket height in terms of time

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+h%28x%29+=+-16x%5E2+%2B+90x+
This is the form of the equation when you
have feet and seconds. Here +x+ is
time in seconds and +h+ is height in
feet
Here's a plot of the parabola:
+graph%28+400%2C+400%2C+-1%2C+8%2C+-10%2C+150%2C+-16x%5E2+%2B+90x+%29+