Add.56 + (-6)
A. -50
B. 50
C. -62
D. 62
Answer: B
Mathematics
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Provide an appropriate response.Simplify: 
+ 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Suppose the partial derivatives of a Lagrange function F(x, y, ?) are 
= 2 - 8?x, 
= 1 -2?y, 
What values of x and y minimize F(x, y, ?)? (Assume x and y are positive.)
A. (4, 2)
B. (2, 4)
C. (2
, 
)
D. (2, 
)
E. none of these
Mathematics
Solve the problem.Suppose that the cost, C, of producing x units of a product can be illustrated by the given graph. Is 
continuous at 
A. Yes; no; yes B. Yes; no; no C. Yes; yes; yes D. No; no; no
Mathematics
Simplify.-(-7a + 6b - 6c)
A. 7a + 6b - 6c B. -7a + 6b - 6c C. 7a + 6b + 6c D. 7a - 6b + 6c
Mathematics