GE Net Income 2009–2013 The annual net income of General Electric for the period 2009–2013 could be approx- imated by P ( t ) = − 0.39 t 2 + 5.2 t − 4.1 billion dollars ( 4 ≤ t ≤ 8 ) , where t is time in years since the start of 2005. 5 According to the model, during what year in this period was General Electric’s net income highest? What was the corresponding net income? Would you trust this model to continue to be valid long past this period? Why or why not?
GE Net Income 2009–2013 The annual net income of General Electric for the period 2009–2013 could be approx- imated by P ( t ) = − 0.39 t 2 + 5.2 t − 4.1 billion dollars ( 4 ≤ t ≤ 8 ) , where t is time in years since the start of 2005. 5 According to the model, during what year in this period was General Electric’s net income highest? What was the corresponding net income? Would you trust this model to continue to be valid long past this period? Why or why not?
Solution Summary: The author calculates the year for which general Electric motor's net income is highest.
GE Net Income 2009–2013 The annual net income of General Electric for the period 2009–2013 could be approx- imated by
P
(
t
)
=
−
0.39
t
2
+
5.2
t
−
4.1
billion dollars
(
4
≤
t
≤
8
)
, where t is time in years since the start of 2005.5 According to the model, during what year in this period was General Electric’s net income highest? What was the corresponding net income? Would you trust this model to continue to be valid long past this period? Why or why not?
The tuition in the school year 2012–2013 at a certain university was $15,000. For the school year 2017–2018, the tuition was $17,850. Find an exponential growth function for tuition T (in dollars) at this university t years after the 2012–2013 school year. (Round your values to four decimal places.)
T =
Assuming it increases at the same annual rate, use the function to predict the tuition (in dollars) in the 2021–2022 school year. (Round your answer to the nearest integer.)
$
An investment grows according to the formula,where t is time, measured in months.
An evergreen nursery usually sells a certain shrub after 7 years of growth and shaping. The growth rate during those 7 years is approximated by...
Chapter 2 Solutions
Student Solutions Manual for Waner/Costenoble's Applied Calculus, 7th
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