2. Annual sales of sparkling water in the U.S. in the period 1993 - 2003 could be approximated by S(t) = -1.2 t2 + 4.1t + 150 million gallons (3
2. Annual sales of sparkling water in the U.S. in the period 1993 - 2003 could be approximated by S(t) = -1.2 t2 + 4.1t + 150 million gallons (3
Chapter10: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 442RE: Jerome invests $18,000 at age 17. He hopes the investments will be worth $30,000 when he turns 26....
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Transcribed Image Text:2. Annual sales of sparkling water in the U.S. in the period 1993 - 2003 could be approximated
by
S(t) = -1.2 t2 + 4.1t + 150 million gallons (3 <t< 13)
%3D
where t is time in years since 1990. Include correct units in answers below, where applicable.
a. What were the annual sales in the year 2001?
b. Were the annual sales increasing or decreasing in 2001?
C. How fast were the annual sales increasing or decreasing in 2001?
d. Were the annual sales in 2001 accelerating or decelerating?
e. How fast were the annual sales in 2001 accelerating or decelerating?
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