Concept explainers
To find: number of grills that a store expects to sell in the year 6.
Answer to Problem 52E
Approximately
Explanation of Solution
Given:
Grills sold last year = 3300
Increase in sale each year = 6%
Concept used:
Exponential function:
Here, the y-values changes by a factor of b as x increases by 1 and the y intercept is a.
Let the variable x represent the year and the variable y represents the total sale for that year.
Also let the last year be represented by
And the total sale of last year is
This implies that y-intercept is 3300.
Also it is given that the sales are increasing each year by 6%.
So, it can be said that as x increases by 1 the y-values changes by a factor of
So, substituting
Then, the total sale in the year 6 is found by substituting
So, the total sale in the year 6 is about 4,681 gas grills.
Chapter 6 Solutions
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