Use the given graph to determine the limit, if it exists.
f(x)
A. 
B. 4
C. 3
D. does not exist
Answer: C
Mathematics
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Use the distributive property to multiply. Then, if possible, simplify the resulting expression.3(7 + m)
A. 21m B. 21 + m C. 21 + 7m D. 21 + 3m
Mathematics
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
The total weight of the minimum spanning tree is
A. 68. B. 24. C. 125. D. 26. E. none of these
Mathematics
Divide, if possible. Write the answer in simplest form.22 ÷ 3
A. 5
B. 6
C. 7
D. 4
Mathematics
Use the inverse of the coefficient matrix to solve the system of equations.5x + 22y = 17,2x + 9y = 2; A-1 = 
A. (218, -88) B. (109, -24) C. (-221, 44) D. (-109, -44)
Mathematics