The population of the United States P t (in millions) since January 1, 1900, can be approximated by P t = 725 1 + 8.295 e − 0.0165 t where t is the number of year since January 1, 1900. (See Example 6) a. Evaluate P 0 and interpret its meaning in the context of this problem. b. Use the function to approximate the U.S. population on January 1, 2020. Round to the nearest million. c. Use the function to approximate the U.S. population on January 1, 2050. d. From the model, during which year would the U.S. population reach 500 million? e. What value will the term 8.295 e 0.0165 t approach as t → ∞ ? f. Determine the limiting value of P t .
The population of the United States P t (in millions) since January 1, 1900, can be approximated by P t = 725 1 + 8.295 e − 0.0165 t where t is the number of year since January 1, 1900. (See Example 6) a. Evaluate P 0 and interpret its meaning in the context of this problem. b. Use the function to approximate the U.S. population on January 1, 2020. Round to the nearest million. c. Use the function to approximate the U.S. population on January 1, 2050. d. From the model, during which year would the U.S. population reach 500 million? e. What value will the term 8.295 e 0.0165 t approach as t → ∞ ? f. Determine the limiting value of P t .
Solution Summary: The author calculates the value of P(0), where t stands for number of years, and interprets its meaning using the graph given below.
The population of the United States
P
t
(in millions) since January 1, 1900, can be approximated by
P
t
=
725
1
+
8.295
e
−
0.0165
t
where t is the number of year since January 1, 1900. (See Example 6)
a. Evaluate
P
0
and interpret its meaning in the context of this problem.
b. Use the function to approximate the U.S. population on January 1, 2020. Round to the nearest million.
c. Use the function to approximate the U.S. population on January 1, 2050.
d. From the model, during which year would the U.S. population reach 500 million?
e. What value will the term
8.295
e
0.0165
t
approach as
t
→
∞
?
For the system consisting of the lines:
and
71 = (-8,5,6) + t(4, −5,3)
72 = (0, −24,9) + u(−1, 6, −3)
a) State whether the two lines are parallel or not and justify your answer.
b) Find the point of intersection, if possible, and classify the system based on the
number of points of intersection and how the lines are related. Show a complete
solution process.
3. [-/2 Points]
DETAILS
MY NOTES
SESSCALCET2 7.4.013.
Find the exact length of the curve.
y = In(sec x), 0 ≤ x ≤ π/4
H.w
WI
M
Wz
A
Sindax
Sind dy max
Утах
at 0.75m from A
w=6KN/M L=2
W2=9 KN/m
P= 10 KN
B
Make the solution handwritten and not
artificial intelligence because I will
give a bad rating if you solve it with
artificial intelligence
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
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