Solve the problem.The following table shows the number of dog collars, in thousands, produced by Allied Pet Products in the three years considered. For a function of the form f(x) = ax2 + bx + c that fits this data, what is the value of b? 
A. -1.2
B. 1.9
C. 2.3
D. -1.6
Answer: D
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Determine whether the graph of the given function is symmetric with respect to the y-axis, symmetric with respect to the origin, or neither.f(x) = -9x5 - 3x3
A. y-axis B. Origin C. Neither
Answer the question.What is the first step in order to solve the equation 3x2 + 6x = 3 by completing the square?
What will be an ideal response?
Solve.To trim the edges of a rectangular table cloth, 60 feet of lace are needed. The length of the table cloth is exactly one-half its width. What are the dimensions of the table cloth?
A. length: 10 feet; width: 20 feet B. length: 5 feet; width: 10 feet C. length: 20 feet; width: 10 feet D. length: 20 feet; width: 40 feet
?Which of the following is a description of the orthogonal complement of 
?
A. ?
B. ?
C. ?
D. ?
E. ?