In Exercises 14–18 , interpret the expression in terms of Arctic Sea ice extent, the area of sea covered by ice. 3 Let E ( x ) and F ( t ) be the Arctic Sea ice extent, both in millions of square kilometers, as a function of time, x , in years, since February 1979, and time, t , in days, since December 31, 2014. F ( 59 ) − F ( 32 ) 59 − 32 = 0.0159
In Exercises 14–18 , interpret the expression in terms of Arctic Sea ice extent, the area of sea covered by ice. 3 Let E ( x ) and F ( t ) be the Arctic Sea ice extent, both in millions of square kilometers, as a function of time, x , in years, since February 1979, and time, t , in days, since December 31, 2014. F ( 59 ) − F ( 32 ) 59 − 32 = 0.0159
In Exercises 14–18, interpret the expression in terms of Arctic Sea ice extent, the area of sea covered by ice.3 Let E(x) and F(t) be the Arctic Sea ice extent, both in millions of square kilometers, as a function of time, x, in years, since February 1979, and time, t, in days, since December 31, 2014.
Your cardiac index is your heart's output, in liters of blood per
minute, divided by your body's surface area, in square meters. The
cardiac index, C(x), can be modeled by
7.644
C(x) =
10 s xs 80,
where x is an individual's age, in years. The graph of the function
is shown. Use the function to solve Exercises 95–96.
7.644
C(x) =
%3D
10 20 30 40 50 60 70 80 90
Age
95. a. Find the cardiac index of a 32-year-old. Express the
denominator in simplified radical form and reduce the
fraction.
b. Use the form of the answer in part (a) and a calculator
to express the cardiac index to the nearest hundredth.
Identify your solution as a point on the graph.
96. a. Find the cardiac index of an 80-year-old. Express the
denominator in simplified radical form and reduce the
fraction.
Cardiac Index
liters per minute
squar e met ers
654 32
Find grad f.
An amount of B was deposited in one of the investment bank accounts, whereby interest
of A% is paid annually. The amount is calculated, so thạt n= capital, cumulative after a
number of years based on the function d (x) = n (1 + m)*
n= time in years, m = annual interest.
a. Calculate the cumulative amount after 8 years.
B. How many years does it take to invest an amount equal to 3 times the capital?
c. Draw the function d (x).
B=951 RO
A=1%
University Calculus: Early Transcendentals (3rd Edition)
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