A rock is thrown upward from a bridge into a river below. The function f(t) = height of the rock above the surface of the water (in feet) in terms of the number of seconds t 16t + 44t + 94 determines the - since the rock was thrown. To help you answer questions c. and d. you may want to graph f. a. What is the bridge's height above the water? feet Preview b. How many seconds after being thrown does the rock hit the water? seconds Preview c. How many seconds after being thrown does the rock reach its maximum height above the water? seconds Preview d. What is the rock's maximum height above the water? feet

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Polynomial Functions
Section: Chapter Questions
Problem 4T: The path of a ball is modeled by the function f(x)=120x2+3x+5, where fx is the height (in feet) of...
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A rock is thrown upward from a bridge into a
river below. The function
f(t)
16t + 44t + 94 determines the
height of the rock above the surface of the water
(in feet) in terms of the number of secondst
since the rock was thrown.
To help you answer questions c. and d. you may
want to graph f.
a. What is the bridge's height above the
water?
feet
Preview
b. How many seconds after being thrown
does the rock hit the water?
seconds
Preview
c. How many seconds after being thrown
does the rock reach its maximum height
above the water?
seconds
Preview
d. What is the rock's maximum height above
the water?
feet
Transcribed Image Text:A rock is thrown upward from a bridge into a river below. The function f(t) 16t + 44t + 94 determines the height of the rock above the surface of the water (in feet) in terms of the number of secondst since the rock was thrown. To help you answer questions c. and d. you may want to graph f. a. What is the bridge's height above the water? feet Preview b. How many seconds after being thrown does the rock hit the water? seconds Preview c. How many seconds after being thrown does the rock reach its maximum height above the water? seconds Preview d. What is the rock's maximum height above the water? feet
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