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valina [46]
2 years ago
14

A sequence is shown in the graph.

Mathematics
1 answer:
marysya [2.9K]2 years ago
8 0
<h3>Answer:   Choice C</h3>

Explanation:

Focus on the y coordinates. They are: 6, 3, 1.5, 0.75

Divide each by their previous term

  • 3/6 = 0.5
  • 1.5/3 = 0.5
  • 0.75/1.5 = 0.5

We have a common ratio of r = 0.5

This proves we have a geometric sequence.

The starting term is a = 6

The nth term is a_n = a(r)^{n-1} = 6(0.5)^{n-1} which is likely what choice C is showing. Though choice C should be written as 6(0.5)^(n-1)

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