Simplify. 
Mathematics
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Decide whether the graph opens up or opens down.f(x) = 5(x - 2)2 + 6
A. opens up B. opens down
Mathematics
Evaluate the polynomial for the given values of x and y.3y2 - 7xy; x = 6 and y = -2
A. 192 B. 90 C. 190 D. 96
Mathematics
For the demand equation 
where x represents the quantity demanded in units of a thousand and p is the unit price in dollars, determine the quantity demanded when the unit price is set at $6.
?
A. x = 400 units B. x = 3,000 units C. x = 4,000 units D. x = 40 units E. x = 2,000 units
Mathematics
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics