
Concept explainers
a.
To calculate: the sales for 2010 and 2015.
a.

Answer to Problem 28PPS
In 2010, there will be about
Explanation of Solution
Given information:
A company’s sales , in millions of dollars , of consumer electronics can be modeled by
Formula used:
Synthetic Substitution :- Synthetic division is used to find the value of a function.
Calculation:
Consider ,
By using Synthetic substitution the function is supposed to divided by
Therefore, we have
In 2010, there will be about
b.
To explain: whether the model is useful or not. speed of the boat at 6 seconds.
b.

Explanation of Solution
Given information:
A company’s sales , in millions of dollars , of consumer electronics can be modeled by
Formula used:
Synthetic Substitution :- Synthetic division is used to find the value of a function.
Proof:
Synthetic Substitution is the method that help us to find the value of a function in more appropriate manner. This model is useful in estimating future sales.
The above part is a good example for this model.
Hence, the model is useful.
Chapter 6 Solutions
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