Find the union of the two sets.{2, 5, 9, 10} ? {2, 5, 13}
A. {2, 5, 9, 10, 13}
B. ?
C. {9, 10, 13}
D. {2, 5}
Answer: A
Mathematics
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Use the known graph of y = ln x to graph the equation.f(x) = -3 ln x 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The input-output matrix for an economy is Output: Agri. Mfg. Input:
= TThe demand matrix is D = 
Find the production matrix X.
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Mathematics
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.  figure 1.png)
 figure 2.png)
Mathematics