Fill in the blank with one of the symbols =, <, or > to produce a true statement.-7 ? -3
A. <
B. =
C. >
Answer: A
Mathematics
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State the domain of the rational expression.
A. {x|x ? -1, x ? 1} B. {x|x ? 0, x ? -1} C. {x|x ? -1, x ? -4, x ? 1} D. All real numbers
Mathematics
Find the unit vector having the same direction as v.v = -3i + j
A. u = -3
i + 
j
B. u = - 
i - 
j
C. u = - 
i + 
j
D. u = - 
i + 
j
Mathematics
Solve the problem.An economy consisting of agriculture (I) and manufacturing (II) has the following input-output matrix. 
A = 
How many units of agriculture and manufacturing should be produced in order to meet a demand for 15 units from I and 9 units from II?
What will be an ideal response?
Mathematics
Find the value of the expression using the given values.
+ 
x = -5, y = 7
A. -2 B. -12 C. 2 D. 12
Mathematics