Find the absolute maximum and absolute minimum values of the function, if they exist, over the indicated interval. When no interval is specified, use the real line (-?, ?). f(x) = x4 - 8x2
A. Absolute maximum: 0; absolute minimum: -16
B. Absolute maximum: 0; no absolute minimum
C. No absolute maximum; absolute minimum: -16
D. No absolute extrema
Answer: C
Mathematics
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, and the plane 
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Determine whether the equation is linear or nonlinear.
+ 1 = 5
A. linear B. nonlinear
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Solve the equation for the indicated variable.V = 
Ah
for A
A. A = 
B. A = 
C. A = 
D. A = 
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Determine if each statement is true if
(i) PQRS is a rectangle
(ii) PQRS is a square
In each case, if true, explain why.
(a) PQ = SR
(b) PT =TR
(c) ST = RT
(d) PS = ST
Mathematics