The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
Using Kruskal's algorithm, which edge should we choose last?
A. BC
B. AB
C. AC
D. CD
E. none of these
Answer: C
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Solve the problem.Jason purchased rose plants and sunflower plants for his garden. Rose plants cost $9 each, and sunflower plants cost $14 each. If his spending limit was $276, write an inequality to show the possible combinations of rose plants and sunflower plants he could have purchased.
A. 9x + 14y ? 276 B. 9x + 14y ? 276 C. 14x + 9y ? 276 D. 14x + 9y ? 276
Evaluate the expression.(-7)2
A. -14 B. -49 C. 14 D. 49
Show that the sets are equivalent by carefully describing a one-to-one correspondence between the sets.The set of natural numbers and the set of powers of 5:N = {1, 2, 3, 4, . . . } and {51, 52, 53, 54, . . . }.
What will be an ideal response?
For the pair of functions f and g, find all values of a for which f(a) = g(a).f(x) = 
+ 
g(x) = 
A. 
B. - 1
C. 
D. No solution