21) A slingshot is used to propel a stone upward so that its height h in feet after t seconds is given by h(t)--162 +88t +5. a) How high was the stone after 2 seconds? b) What is the maximum height of the stone? 22) The function given by f(x)=0 000478 r2-1 813r+1720 I models world nonulat

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 3E
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21) A slingshot is used to propel a stone upward so that its height h in feet after t seconds is
given by h(t)--162 +88t +5.
a) How high was the stone after 2 seconds?
b) What is the maximum height of the stone?
22) The function given by f(x)=0 000478 r2-1 813r+1720 I models world nonulat
Transcribed Image Text:21) A slingshot is used to propel a stone upward so that its height h in feet after t seconds is given by h(t)--162 +88t +5. a) How high was the stone after 2 seconds? b) What is the maximum height of the stone? 22) The function given by f(x)=0 000478 r2-1 813r+1720 I models world nonulat
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