
Concept explainers
a.
To find if the given sequence is an arithmetic, geometric or neither, and find the next term of the sequence is arithmetic or geometric.
a.

Answer to Problem 86E
Neither
Explanation of Solution
Given:
Calculation:
Observe that
Also,
b.
To find if the given sequence is an arithmetic, geometric or neither, and find the next term of the sequence is arithmetic or geometric.
b.

Answer to Problem 86E
Arithmetic, 3.
Explanation of Solution
Given:
Calculation:
Observe that
That is, each term differs by
Then, the next term is
c.
To find if the given sequence is an arithmetic, geometric or neither, and find the next term of the sequence is arithmetic or geometric.
c.

Answer to Problem 86E
Geometric,
Explanation of Solution
Given:
Calculation:
Observe that
That is, the common ratio is
Then, the next term is
d.
To find if the given sequence is an arithmetic, geometric or neither, and find the next term of the sequence is arithmetic or geometric.
d.

Answer to Problem 86E
Geometric, 1.
Explanation of Solution
Given:
Calculation:
Observe that
That is, the common ratio is
Then, the next term is
e.
To find if the given sequence is an arithmetic, geometric or neither, and find the next term of the sequence is arithmetic or geometric.
e.

Answer to Problem 86E
Neither
Explanation of Solution
Given:
Calculation:
Observe that
That means, the ratio is not common. So, the sequence is not geometric.
Also,
f.
To find if the given sequence is an arithmetic, geometric or neither, and find the next term of the sequence is arithmetic or geometric.
f.

Answer to Problem 86E
Arithmetic,
Explanation of Solution
Given:
Calculation:
Observe that
That is, each term differs by 1. So, the sequence is arithmetic.
Then, the next term is
g.
To find if the given sequence is an arithmetic, geometric or neither, and find the next term of the sequence is arithmetic or geometric.
g.

Answer to Problem 86E
Arithmetic, 3.
Explanation of Solution
Given:
Calculation:
Observe that
That is, each term differs by
Then, the next term is
h.
To find if the given sequence is an arithmetic, geometric or neither, and find the next term of the sequence is arithmetic or geometric.
h.

Answer to Problem 86E
Geometric,
Explanation of Solution
Given:
Calculation:
Observe that
That is, the common ratio is
Then, the next term is
Chapter 12 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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