Find the sum.-11 + (-20)
A. -9
B. -31
C. 9
D. 31
Answer: B
Mathematics
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Find all the local maxima, local minima, and saddle points of the function.
A. f(-5, -10) = 2249, local maximum; f(5, 10) = -2251, local minimum
B. f(5, 10) = -2251, local minimum; f(5, -10) = 1749, saddle point; f(-5, 10) = -1751, saddle point; 
local maximum
C. f(-5, -10) = 2249, local maximum
D. f(5, -10) = 1749, saddle point; f(-5, 10) = -1751, saddle point
Mathematics
Choose the pair of rational numbers that are between the given fractions.
and 
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Solve the rational inequality. Write the solution in interval notation.
> 
A. ? B. (-?, 5) C. (5, ?) D. (-?, ?)
Mathematics
Find u ? v.u = 
, v = 
A. 31 B. 100 C. -95 D. -92
Mathematics