Concept explainers
a.
To write: an exponential function that is represented by the given graph:
a.
Answer to Problem 51E
Explanation of Solution
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.
Using the given graph to make a table of values as shown below:
The graph intersects the y-axis at 40. This implies that y-intercept is 40.
Also from the table it can be observed that as x increases by 1 the y-values changes by a factor of
So, substituting
b.
the number of visitors after 5 months.
b.
Answer to Problem 51E
Approximately 304
Explanation of Solution
Given:
The number y of visitors to the gallery after x months is given by:
The number of visitors after 5 months is found by substituting
So, number of visitors after 5 months is about 304.
Chapter 6 Solutions
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