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 = 
Answer: D
Mathematics
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Determine whether an exponential function might fit the data.Production
Year
A. Yes B. No
Mathematics
Use the graph to estimate any solutions to the given equation on the interval 
sec2 x = 2 sec x
A. 
, 
B. None
C. 
, 
D. 
, 
Mathematics
Perform the requested operation on the given function.f(x) = -3x2 - 6x - 1, g(x) = -5x - 5Find (f + g)(4).
A. -98 B. -2 C. -173 D. -158
Mathematics
Solve the problem.Mark can remember only the first 5 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit is not a 0. If Mark were to dial all of the possible numbers and if it takes him 17 seconds to try each one, how long would it take to try every possibility?
A. 25.5 min B. 2.8 min C. 28.3 min D. 5.7 min
Mathematics