Determine if the parabola whose equation is given opens upward or downward.y = -4x2 - 2x - 9
A. downward
B. upward
Answer: A
Mathematics
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By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that 
for 
otherwise indicate divergence.an = 
A. L = 0, N = 5
B. L = 
, N = 8
C. L = 
, N = 6
D. diverges
Mathematics
Solve the problem. Use 3.14 for ?.The discus is thrown from a circular region 8 feet 5 inches in diameter. What is the area of the circle (in square inches)? Round results to the nearest tenth of a unit.
A. 8007.8 in.2 B. 32,031.1 in.2 C. 4003.9 in.2 D. 317.1 in.2
Mathematics
Find the value of the expression.
A. 
B. 
C. 
D. 
Mathematics
Graph the function.y = - 
csc ?x
A. 
B. 
C. 
D. 
Mathematics