Find an for the given geometric sequence.a1 = 2, r = -2
A. an = -2(2)n-1
B. an = 2(-2)n
C. an = 2(-2)n-1
D. an = -2(2)n
Answer: C
Mathematics
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Evaluate the definite integral.
(Give an approximate answer rounded to two decimal places if necessary.)
A. 0.71 B. 0.75 C. 1 D. 0.73
Mathematics
Answer the question.Which one of the equations below matches the graph?
A. y = 2 cos
B. y = 4 sin
C. y = 4 cos
D. y = 4 cos
Mathematics
Evaluate.108
A. 100,000,000 B. 1,000,000,000 C. 10,000,000 D. 800
Mathematics
Which number is larger?-0.038, - 
A. - 
B. -0.038
Mathematics