Use the properties of limits to help decide whether the limit exists. If the limit exists, find its value.
A. 3x2 + 3xh + h2
B. 3x2
C. Does not exist
D. 0
Answer: B
Mathematics
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Find the maximum and minimum of the function f over the closed and bounded set S.f(x, y) = (x + y)2; S = {(x, y): 
+ 
? 1}
A. f(
, 
) = f(- 
, - 
) = 6; maximum. f(x, -x) = 0 for - 
? x ? - 
; minimum.
B. f(
, 
) = f(- 
, - 
) = 6; maximum. f(x, -x) = 0 for - 
? x ? 
; minimum.
C. f(
, 
) = 6; maximum. f(- 
, - 
) = 6; minimum.
D. f(
, 
) = 6; maximum. f(- 
, - 
) = -6; minimum.
Mathematics
Find the absolute value of the complex number.-2
A. 2 B. -4 C. 4 D. -2
Mathematics
Find the derivative.p = 
A. 
= - 
B. 
= 
C. 
= 
D. 
= - 
Mathematics
Solve the given equation for x.log2
= x
A. 
B. 
C. 
D. 
Mathematics