Answer:
f(x) = x3,
f?(x) = 0
x = 0
Absolute
maximum value of f?(x) = 8 at x = 2 and absolute minimum value of f(x) = ?8 at
x = ?2.
II. f(x) = sin
x + cos x,
x
-2
0
2
f(x)
-8
0
8
About
maximum value of f(x) and
absolute minimum value of f(x) ?1 at x =
III.
f?(x) = 0
x
0
f(x)
1
-1
f(x) have
absolute maximum value = 9 at x = 4 and absolute minimum value = ? 10 at x =
?2.
IV. f(x) = (x ? 1)2
+ 3,
x
?2
4
9/2
f(x)
?10
8
63/8
f(x) have
absolute maximum value = 19 at x = ?3 and absolute minimum value = 3 at x = 1.
X
?3
1
f(x)
19
3
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