Sketch the graph and show all local extrema and inflection points.y = -x4 + 4x2 - 6
A. Absolute maxima: (-
, -2), (
, -2)
Local minimum: (0, -6)
Inflection points: 
, 
B. Absolute minima: (-
, 2), (
, 2)
Local maximum: (0, 6)
Inflection point: 
, 
C. Absolute maxima: (-
, -2), (
, -2)
Local minimum: (0, -6)
No inflection points
D. Absolute maxima: (-
, -2), (
, -2)
Inflection points: 
, 
Answer: A
Mathematics
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x + 
y - 
z = -3- 
x - 
y - 
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style="vertical-align: -17.0px;" />x + 
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A. 
B. 
C. 
D. 
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