Suppose that lim x → 3 f ( x ) = 7 . Are the statements in Problems 69–73 true or false? If a statement is true, explain how you know. If a statement is false, give a counterexample. If g ( 3 ) = 4 , then lim x → 3 ( f ( x ) g ( x ) ) = 28
Suppose that lim x → 3 f ( x ) = 7 . Are the statements in Problems 69–73 true or false? If a statement is true, explain how you know. If a statement is false, give a counterexample. If g ( 3 ) = 4 , then lim x → 3 ( f ( x ) g ( x ) ) = 28
Author: Deborah Hughes-Hallett, William G. McCallum, Andrew M. Gleason, Daniel E. Flath, Patti Frazer Lock, Sheldon P. Gordon, David O. Lomen, David Lovelock, Brad G. Osgood, Andrew Pasquale, Douglas Quinney, Jeff Tecosky-Feldman, Joseph Thrash, Karen R. Rhea, Thomas W. Tucker
Suppose that
lim
x
→
3
f
(
x
)
=
7
. Are the statements in Problems 69–73 true or false? If a statement is true, explain how you know. If a statement is false, give a counterexample.
If
g
(
3
)
=
4
,
then
lim
x
→
3
(
f
(
x
)
g
(
x
)
)
=
28
Consider the function f(x) = x²-1.
(a) Find the instantaneous rate of change of f(x) at x=1 using the definition of the derivative.
Show all your steps clearly.
(b) Sketch the graph of f(x) around x = 1. Draw the secant line passing through the points on the
graph where x 1 and x->
1+h (for a small positive value of h, illustrate conceptually). Then,
draw the tangent line to the graph at x=1. Explain how the slope of the tangent line relates to the
value you found in part (a).
(c) In a few sentences, explain what the instantaneous rate of change of f(x) at x = 1 represents in
the context of the graph of f(x). How does the rate of change of this function vary at different
points?
1. The graph of ƒ is given. Use the graph to evaluate each of the following values. If a value does not exist,
state that fact.
и
(a) f'(-5)
(b) f'(-3)
(c) f'(0)
(d) f'(5)
2. Find an equation of the tangent line to the graph of y = g(x) at x = 5 if g(5) = −3 and g'(5)
=
4.
-
3. If an equation of the tangent line to the graph of y = f(x) at the point where x 2 is y = 4x — 5, find ƒ(2)
and f'(2).
Does the series converge or diverge
Chapter 1 Solutions
Calculus: Single And Multivariable, 7e Student Solutions Manual
Elementary Statistics: Picturing the World (7th Edition)
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