Provide an appropriate response.If a system has four inequalities, the number of corner points of the feasible region must be ? .
A. at least one, but not more than four
B. at least three, but not more than four
C. exactly three
D. exactly four
Answer: A
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Provide an appropriate response.Describe the characteristics of an augmented matrix in triangular (or echelon) form.
A. The matrix has ones on the main diagonal and zeros everywhere else. B. The matrix has ones on the main diagonal and zeros above the main diagonal. C. The matrix has ones on the main diagonal and zeros below the main diagonal. D. The matrix has zeros on the main diagonal and ones below the main diagonal.
Use the remainder theorem to find the remainder if f(x) is divided by x - c.f(x) = x2 + 3x - 33; x + 8
A. 5 B. 7 C. -7 D. 0
Use a half-number identity to find an exact value for the function, given the information about x.tan 
, given tan x = -3, with 
< x < ?
A. 
B. 
C. 
D. 
Answer the question.Given f(x,y) = x2 + y2, the purpose of finding the critical points is which of the following?(i) find local minima, if they exist(ii) find local maxima, if they exist(iii) find saddle points, if they exist(iv) find interior points, if they exist
A. (i), (ii), and (iii) are all correct. B. Only (iii) is correct. C. All are correct. D. Only (i) and (ii) are correct.