Give an appropriate answer.Given the function f(x, y) and the positive number ? as in the formal definition of a limit, find a positive number ? as in the definition that insures 
< ?.f(x, y) = (1 + cos x)(x + y); ? = 0.12
What will be an ideal response?
Let ? = 0.03. Then if 
< ? and 
< ?, 
= 
Mathematics
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Solve the problem.Find the area of the rectangle by multiplying the length and the width of the large rectangle using the FOIL method.
A. 4x2 + 16x +12 B. 4x2 + 19x + 12 C. 4x2 +19x D. 4x2 + 3x + 12
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Reduce the fraction to simplest form.
A. r - s
B. Cannot be simplified
C. r + s
D. 
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Solve the polynomial inequality.(x + 1)(x - 7) ? 0
A. [7, ?) B. (-?, -1] ? [7, ?) C. [-1, 7] D. (-?, -1]
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The eccentricity is given of a conic section with one focus at the origin, along with the directrix corresponding to that focus. Find a polar equation for the conic section. e = 
, y = -9
A. r = 
B. r = 
C. r = 
D. r = 
Mathematics