Answer:
Let f(x) = 2x3
? 24x + 107
f?(x) = 0
Now
f(x) have
maximum value = 89 x
And
x
1
2
3
f(x)
85
75
89
f(x) have
maximum value = 139 when
X
-3
-2
-1
f(x)
125
139
129
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