MCQs
Total Questions : 69
| Page 7 of 7 pages
Answer: Option A. -> 1
-NA-
Question 62. Let X = {(x, y)∈â„2: x2 + y2 = 1} ∪ ([-1, 1] * {0}) ∪ ({0} * [-1, 1]). Let n0 = max{k: k < ∞, there are k distinct points p1,..., pk ∈ X such that X∖{p1,..., pk}is connected}Let q1,¦,qn0+1 be n0+1 distinct points and Y = X\{q1,¦,qn0+1}. Let m be the number of connected components of Y. The maximum possible value of m is ______
Answer: Option B. -> 8
-NA-
Answer: Option D. -> 4
-NA-
Answer: Option C. -> .
-NA-
Answer: Option B. -> must be 2i
-NA-
Answer: Option C. -> 3
-NA-
Question 67. Let X be a convex region in the plane bounded by straight lines. Let X have 7 vertices. Suppose f(x,y) = ax + by + c has maximum value M and minimum value N on X and N < M. Let S = {P ∶ P is a vertex of X and N < f(P) < M}. If S has n elements, then which of the following statements is TRUE?
Answer: Option D. -> n can be 4
-NA-
Answer: Option A. -> Q and S only
-NA-
Answer: Option A. -> K is closed in [0,2] ==> f(K)is closed in S
-NA-