Find a quadratic model for the sequence with the indicated terms.
?
a0 = -3, a2 = 2, a4 = 10
?
A. an= 
n2 - 
n - 3
B. an = 3n2 + 
n + 
C. an = 
n2 + 
n + 3
D. an = 
n2 + 
n - 3
E. an= -3n2+ 
n + 
Answer: D
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Write interval notation.{ x ? -6 > x }
A. (-?, -6) B. (-?, -6] C. (-6, ?) D. [-6, ?)
The following question refers to a school district with three high schools. The total number of students in the district is 3000. The teachers within the district are apportioned to the high schools based on the schools' respective enrollments. The standard quota for each school is given in the following table.
Find each school's apportionment of teachers under Hamilton's method.
A. North: 17; Central; 52; South: 31 B. North: 19; Central; 51; South: 30 C. North: 18; Central; 51; South: 31 D. North: 18; Central; 52; South: 30 E. none of these
Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(9x1/9 ? y1/9)2
A. 81x2y2 B. 81x2/9y2/9 C. 81x1/81y1/81 D. 81x1/18y1/18
Solve. Write the answer in simplest form.Marty jogged 
of a mile from home and then rested. Then he continued jogging another 
of a mile until he discovered his watch had fallen off. He walked back along the same path for 
of a mile until he found his watch. Find how far he was from his starting point.
A. 
mi
B. 
mi
C. - 
mi
D. 
mi