Solve the inequality.x2 - 5x - 6 ? 0
A. [6, ?)
B. (-?, -1]
C. [-1, 6]
D. (-?, -1] or [6, ?)
Answer: C
Mathematics
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Answer the question.Consider a function f(x, y, z), where the independent variables are constrained to lie on the curve 
(t) = x(t)i + y(t)j + z(t)k. What mathematical fact forms the basis for the method of Lagrange multipliers?
A. ?f??g = 0
B. f approaches a local extremum as ? ? 0.
C. ?f?
= 0
D. ?g = 0
Mathematics
Represent the quantity by an integer.$125 loss
A. -125 B. 125
Mathematics
Evaluate the expression x + y for the given values of the variables.x = 20, y = 13
A. 33 B. -7 C. -33 D. 7
Mathematics
Evaluate.
A. 63 B. 40 C. 105 D. 42
Mathematics