Evaluate the polynomial.5x3 - 4x2 + 12, when x = -2
A. -54
B. -20
C. -44
D. -56
Answer: C
Mathematics
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Graph the function on the indicated interval.y = (x + 2) sin 
, 0 ? x ? 4 
A. 
B. 
C. 
D. 
Mathematics
Give the appropriate form of the partial fraction decomposition.
A. 1 + 
+ 
+ 
B. 1 + 
+ 
+ 
C. 1 + 
+ 
D. 1 + 
+ 
+ 
Mathematics
Find the equation of the parabola whose vertex and focus are shown.
A. (y + 2)2 = 20(x - 1) B. (x + 2)2 = -20(y - 1) C. (y + 2)2 = -20(x - 1) D. (x + 2)2 = 20(y - 1)
Mathematics
Solve the problem.Suppose that a sales person observes that if an item is priced at $4 per item then 7 items are sold. If 5 items are sold for $6 per item then find an equation to model the number y of items sold for x dollars per item.
A. y = x + 3 B. y = x + 11 C. y = -x + 11 D. y = -x + 3
Mathematics