SOLUTION: The height y (in feet) of a ball thrown by a child is y=−114x2+2x+3 where x is the horizontal distance in feet from the point at which the ball is thrown. (a) How high is th

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: The height y (in feet) of a ball thrown by a child is y=−114x2+2x+3 where x is the horizontal distance in feet from the point at which the ball is thrown. (a) How high is th      Log On


   

Question 1149180: The height y (in feet) of a ball thrown by a child is
y=−114x2+2x+3
where x is the horizontal distance in feet from the point at which the ball is thrown.
(a) How high is the ball when it leaves the child's hand? Correct feet
(b) What is the maximum height of the ball? Incorrect feet
(c) How far from the child does the ball strike the ground? Incorrect feet
Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
What does "correct feet" and "incorrect feet" mean?

Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.

Very unfortunately, the equation in your post is written incorrectly.



See the plot  y = y(x)  below






Plot y = -114x^2 + 2x + 3