In the sequence below each number (other than the first two numbers) is the sum of the previous two numbers. Use this rule to find the missing terms of the sequence.1, 6, 
, 13, 20, 
, 53
A. 6, 27
B. 6, 21
C. 1, 39
D. 7, 33
Answer: D
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Answer the question.How can the graph of f(x) = 0.9|x - 10| + 1.1 be obtained from the graph of y = |x|?
A. Shift it horizontally 9 units to the left. Shrink it vertically by a factor of 0
Shift it 1.1 units upward.
B. Shift it horizontally 1.1 units to the right. Stretch it vertically by a factor of 9. Shift it 10 units downward.
C. Shift it horizontally 10 units to the right. Shrink it vertically by a factor of 0.9. Shift it 1.1 units upward.
D. Shift it horizontally 10 units to the left. Stretch it vertically by a factor of 9. Shift it 1.1 units upward.
Find the domain of the function.
A. {x|7 ? x ? 31} B. {x|-7 ? x < 7 or 7 < x ? 31} C. {x|x ? -7} D. {x|-7 ? x ? 31}
Find the first term and the common ratio of the geometric sequence.an = 6
n
A. a1 = - 
, r = 
n
B. a1 = 4, r = 
C. a1 = 
, r = 6
D. a1 = - 4, r = 4
Solve the problem.The bacteria in a 7-liter container double every 4 minutes. After 57 minutes the container is full. How long did it take to fill a quarter of the container?
A. 28.5 min B. 14.3 min C. 49 min D. 42.8 min