Concept explainers
a.
To write: a function representing the given sequence.
a.
Answer to Problem 43PFA
Explanation of Solution
Given information: An arithmetic sequence 12,15,18,21 represents the number of sweatshirts sold at four consecutive games.
Since it is an arithmetic sequence whose first term
So the corresponding function is given by,
b.
To find: additional number of sweatshirts sold at each game.
b.
Answer to Problem 43PFA
3
Explanation of Solution
Given information: An arithmetic sequence 12,15,18,21 represents the number of sweatshirts sold at four consecutive games
The additional number of sweatshirts sold at each game is given by common difference of above arithmetic sequence which is 3 sweatshirts.
c.
To graph: the above function and found its domain and range.
c.
Answer to Problem 43PFA
Domain=
Range=
Where
Explanation of Solution
Graph:
d.
To find: the number of game in which number of sold sweatshirts is 45.
d.
Answer to Problem 43PFA
12
Explanation of Solution
Here,
Hence the required number of game is 12.
Chapter 3 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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