Solve the problem.The population of a small town is given by the table. 
If the population is modeled by p(t) = at2 + b where t is in years and 
corresponds to the year 1980 and 
corresponds the year 1990, find a.
A. 32
B. 14
C. 16
D. 28
Answer: B
Mathematics
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Find the series' radius of convergence.
A. ?, for all x B. 1 C. 0 D. 2
Mathematics
Find an equation of the plane that passes through the line of intersection of the planes x-z=1 and y+2z=3 is perpendicular to the plane x+y-2z=2.
What will be an ideal response?
Mathematics
Write the inequality in interval notation.-9 ? x < -3
A. (-9, -3) B. [-9, -3) C. (-9, -3] D. [-9, -3]
Mathematics
List the intercepts and type(s) of symmetry, if any.y = 
A. intercept: (0, 0)
symmetric with respect to y-axis
B. intercept: (0, 0)
symmetric with respect to x-axis
C. intercept: (0, 0)
symmetric with respect to origin
D. intercepts: (
, 0), (-
, 0), (0, 0)
symmetric with respect to origin
Mathematics