Applying limit laws Assume lim x → 1 f ( x ) = 8 , lim x → 1 g ( x ) = 3 , and lim x → 1 h ( x ) = 2 . Compute the following limits and stale the limit laws used to justify your computations . 23. lim x → 1 ( h ( x ) ) 5
Applying limit laws Assume lim x → 1 f ( x ) = 8 , lim x → 1 g ( x ) = 3 , and lim x → 1 h ( x ) = 2 . Compute the following limits and stale the limit laws used to justify your computations . 23. lim x → 1 ( h ( x ) ) 5
Solution Summary: The author explains that the limit of the function is 32.
Applying limit lawsAssume
lim
x
→
1
f
(
x
)
=
8
,
lim
x
→
1
g
(
x
)
=
3
, and
lim
x
→
1
h
(
x
)
=
2
. Compute the following limits and stale the limit laws used to justify your computations.
4.
The revenue (in thousands of dollars) from producing x units of an item is R(x)=8x-0.015 x².
a) Find the average rate of change of revenue when the production is increased from 1000 to 1001 units.
MATH 122
WORKSHEET 3
February 5, 2025
. Solve the following problems on a separate sheet. Justify your answers to earn full credit.
1. Let f(x) = x² - 2x + 1.
(a) Find the slope of the graph of y = f (x) at the point P = (0,1) by directly
evaluating the limit:
f'(0) = lim (
f(Ax) - f(0)
Ax
Ax→0
(b) Find the equation of the tangent line 1 to the graph of ƒ at P.
What are the x and y intercepts of 1 ?
(c) Find the equation of the line, n, through P that is perpendicular to the tangent line l.
(Line n is called the normal line to the graph of f at P.)
(d) Sketch a careful graph that displays: the graph of y = f (x), its vertex point, its
tangent and normal lines at point P, and the x and y intercepts of these lines.
Bonus: Find the coordinates of the second point, Q, (QP), at which the normal
line n intersects the graph of f.
2. A rock is thrown vertically upward with an initial velocity of 20 m/s
from the edge of a bridge that is 25 meters above a river bed. Based
on Newton's Laws of…
3. Use the graph for problem #35, p175 to answer the questions.
The average price (in cents) per gallon of unleaded gasoline in the United States for the years 2010 to 2019 is
shown in this chart. Find the average rate of change per year in the average price per gallon for each time
period. Source: U.S. Energy Information Administration.
a) 2010 to 2013
b) 2012 to 2018
c) 2014 to 2019
Chapter 2 Solutions
Single Variable Calculus: Early Transcendentals Plus MyLab Math with Pearson eText -- Access Card Package (2nd Edition) (Briggs/Cochran/Gillett Calculus 2e)
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