Concept explainers
(a).
To find: first six term of a sequence from the graph.
(a).
Answer to Problem 140E
The first six terms of the sequence represented by the graph are
Explanation of Solution
Given information:
The graph which needs to be read to get the first six term of the sequence is as follows.
Calculation:
Consider the given graph.
As horizontal axis represents
Point
Point
Point
Point
Point
Point
Hence the first six terms of the sequence represented by the graph are
(b).
To find: the expression of
(b).
Answer to Problem 140E
Expression representing sequence in the graph is
Explanation of Solution
Given information:
the first six terms of the sequence represented by the graph are
Formula used:
Where
Calculation:
The first six terms of the sequence are as follows .
First term
Substitute
Hence expression representing sequence in the graph is
(c).
To find: the sigma notation of Partial sum of the sequence.
(c).
Answer to Problem 140E
sigma notation of partial sum of first 50 terms is
Explanation of Solution
Given information:
Expression representing sequence in the graph is
Formula used:
Calculation:
Expression representing sequence in the graph is
Using
For
Hence sigma notation of partial sum of first 50 terms is
Chapter 8 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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