The sales of a book tend to increase over the short-term as word-of-mouth makes the book “catch on.� The number of books sold N t for a new novel t weeks after release at a certain book store is given in the table for the first 6 weeks. a. Find a model of the form N t = a + b In t . Round a and b to 1 decimal place. b. Use the model to predict the sales in week 7. Round to the nearest whole unit. c. Is it reasonable to assume that this logarithmic trend will continue? Why or why not?
The sales of a book tend to increase over the short-term as word-of-mouth makes the book “catch on.� The number of books sold N t for a new novel t weeks after release at a certain book store is given in the table for the first 6 weeks. a. Find a model of the form N t = a + b In t . Round a and b to 1 decimal place. b. Use the model to predict the sales in week 7. Round to the nearest whole unit. c. Is it reasonable to assume that this logarithmic trend will continue? Why or why not?
Solution Summary: The author explains the steps in a Ti-83 graphing calculator mentioned in chronological order to determine the function which will best fit the model.
The sales of a book tend to increase over the short-term as word-of-mouth makes the book “catch on.� The number of books sold
N
t
for a new novel t weeks after release at a certain book store is given in the table for the first 6 weeks.
a. Find a model of the form
N
t
=
a
+
b
In
t
. Round a and b to 1 decimal place.
b. Use the model to predict the sales in week 7. Round to the nearest whole unit.
c. Is it reasonable to assume that this logarithmic trend will continue? Why or why not?
T
1
7. Fill in the blanks to write the calculus problem that would result in the following integral (do
not evaluate the interval). Draw a graph representing the problem.
So
π/2
2 2πxcosx dx
Find the volume of the solid obtained when the region under the curve
on the interval
is rotated about the
axis.
38,189
5. Draw a detailed graph to and set up, but do not evaluate, an integral for the volume of the
solid obtained by rotating the region bounded by the curve: y = cos²x_for_ |x|
≤
and the curve y
y =
about the line
x =
=플
2
80
F3
a
FEB
9
2
7
0
MacBook Air
3
2
stv
DG
Find f(x) and g(x) such that h(x) = (fog)(x) and g(x) = 3 - 5x.
h(x) = (3 –5x)3 – 7(3 −5x)2 + 3(3 −5x) – 1
-
-
-
f(x) = ☐
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