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 = cos n
A. L = 1, N = 394
B. diverges
C. L = 0, N = 394
D. L = 0, N = 237
Answer: B
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Find the absolute maxima and minima of the function on the given domain.
on the trapezoidal region with vertices 
and 
A. Absolute maximum: 6 at 
absolute minimum: 0 at 
B. Absolute maximum: 9 at 
absolute minimum: 6 at 
C. Absolute maximum: 9 at 
absolute minimum: 0 at 
D. Absolute maximum: 12 at 
absolute minimum: 6 at 
Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
A. 100; 270° B. 10; 180° C. 10; 270° D. 10; 90°
Find an expression for the nth term of the arithmetic sequence.e, e + 7, e + 14, e + 21, e + 28, . . .
A. an = 7n + e B. an = 7n + e - 7 C. an = 7n + e D. an = ne + 7
Find the probability.A test consists of 10 true/false questions. To pass the test a student must answer at least 8 questions correctly. If a student guesses on each question, what is the probability that the student will pass the test?
A. 0.989 B. 0.055 C. 0.044 D. 0.011