Graph the system of inequalities.3x + y ? -7x - 2y ? -7
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the gradient ?f.f(x, y, z) = 
A. (x2 + y2 - z2)(xi + yj - zk)
B. 
(xi + yj - zk)
C. 
(xi + yj - zk)
D. 
(xi + yj + zk)
Mathematics
Solve and check.x + 14.5 = 39.11
A. x = 27.73 B. x = 24.53 C. x = 24.61 D. x = 25.31
Mathematics
Use the accompanying graph of y = f(x) to sketch the graph of the indicated function.y = - 
f(x + 2) + 4
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The median prices of townhomes in City X from 2002 to 2012 can be approximated by 
where 
corresponds to 2002 and 
corresponds to 2012. Estimate the years when the median price range was from $65,000 to $74,000.
A. Between 2007 and 2009 B. Between 2003 and 2005 C. Between 2010 and 2012 D. Between 2005 and 2007
Mathematics