The height y (in feet) of a ball thrown by a child is 1 2 -x² + 6x +3 y = 12 where 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? (Hint: Find y when x = 0) Your answer is y (b) What is the maximum height of the ball? (c) How far from the child does the ball strike the ground?

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter9: Quadratic Equations And Functions
Section9.6: Graph Quadratic Functions Using Properties
Problem 9.104TI: A path of a toy rocket thrown upward from the ground at a rate of 208 ft/sec is modeled by the...
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The height y (in feet) of a ball thrown by a child is
1 2
-x² + 6x +3
y =
12
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?
(Hint: Find y when x = 0)
Your answer is y
(b) What is the maximum height of the ball?
(c) How far from the child does the ball strike the ground?
Transcribed Image Text:The height y (in feet) of a ball thrown by a child is 1 2 -x² + 6x +3 y = 12 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? (Hint: Find y when x = 0) Your answer is y (b) What is the maximum height of the ball? (c) How far from the child does the ball strike the ground?
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