Let . f ( x ) = x 2 . (a) Estimate the values of f' (0), f ' ( 1 2 ) , f' (l) , and f' (2) by using a graphing device to zoom in on the graph of f . (b) Use symmetry to deduce the values of f ' ( − 1 2 ) , f' (– 1 ), and f' (–2). (c) Use the results from pans (a) and (b) to guess a formula for f' ( x ). (d) Use the definition of derivative to prove that your guess in part (c) is correct.
Let . f ( x ) = x 2 . (a) Estimate the values of f' (0), f ' ( 1 2 ) , f' (l) , and f' (2) by using a graphing device to zoom in on the graph of f . (b) Use symmetry to deduce the values of f ' ( − 1 2 ) , f' (– 1 ), and f' (–2). (c) Use the results from pans (a) and (b) to guess a formula for f' ( x ). (d) Use the definition of derivative to prove that your guess in part (c) is correct.
Solution Summary: The author explains how to estimate the value of fprime's '(0),
Two cables tied together at C are loaded as shown. Given: Q = 130 lb.
8
30°
C
B
Q
3
4
Draw the free-body diagram needed to determine the range of values of P for which both cables remain taut.
Cable AB is 103 ft long and the tension in the cable is 3900 lb.
56 ft
A
50°
20°
B
x
C
Identify the angles 0.0, and 8, that define the direction of force.
1
By
N
2
Match each of the options above to the items below.
142.1°
57.1°
73.3°
3
8.
In the given figure, P = 51 lb .
65°
C
25°
35°
75 lb
P
Determine the corresponding magnitude of the resultant.
The corresponding magnitude of the resultant is|
lb.
Chapter 2 Solutions
Bundle: Calculus: Early Transcendentals, 8th + WebAssign Printed Access Card for Stewart's Calculus: Early Transcendentals, 8th Edition, Multi-Term
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