Use the table(s) to evaluate the given expression.
f -1(2)
A. 2
B. 9
C. 1
D. 6
Answer: D
Mathematics
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Graph the system of inequalities.3x - 2y ? 6 x - 1 > 0
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
Classify the number as one or more of the following: natural number, whole number, integer, rational number, or real number.68
(Length in feet of the playground)
A. Natural, whole, integer, rational, and real B. Real C. Rational and real D. Natural, integer, rational, and real
Mathematics
Solve the problem.In a right triangle, one acute angle is 54° more than twice the other. Find each acute angle.
A. 28° and 62° B. 21° and 69° C. 12° and 78° D. 37° and 53°
Mathematics