Using the definition of the derivative, find f ' ( x ) . Then find f ' ( − 2 ) , f ' ( 0 ) , and f ' ( 3 ) when the derivative exists. ( Hint for Exercises 17 and 18 : In step 3, multiply numerator and denominator by x + h + x .) f ( x ) = 3 / x .
Using the definition of the derivative, find f ' ( x ) . Then find f ' ( − 2 ) , f ' ( 0 ) , and f ' ( 3 ) when the derivative exists. ( Hint for Exercises 17 and 18 : In step 3, multiply numerator and denominator by x + h + x .) f ( x ) = 3 / x .
Solution Summary: The author explains how to determine the value of f'(x) by using the definition of derivative.
Using the definition of the derivative, find
f
'
(
x
)
. Then find
f
'
(
−
2
)
,
f
'
(
0
)
,
and
f
'
(
3
)
when the derivative exists. (Hint for Exercises 17 and 18: In step 3, multiply numerator and denominator by
x
+
h
+
x
.)
2. [-/4 Points]
DETAILS
MY NOTES
SESSCALCET2 7.3.002.
Let S be the solid obtained by rotating the region shown in the figure about the y-axis. (Assume a = 6 and b = 2.)
ASK YOUR TEACHER
0
y = a sin(bx²)
Sketch a typical approximating shell.
y
6
4
2
x
π/b
y
2
1
x
0.5
1.0
1.5
0.2
0.4
0.6
0.8
1.0
-2
-1
-4
The graph of f', the derivative of f, is shown in the graph below. If f(-9) = -5, what is the value of f(-1)?
y
87 19
6
LO
5
4
3
1
Graph of f'
x
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1
1
2
3
4 5
6
7 8 9 10
-1
-2
-3
-4
-5
-6
-7
-8
564%
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