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| PAGE: 186 | SET: Exercises | PROBLEM: 109 |
(a) Scatter diagram of the data:
Comment: The relation appears to be cubic.
(b)
Find the cubic function of best fit that models the relation between decade and number of major hurricanes.
The cubic function is 
.
(c)
Predict the number of major hurricanes that struck the united States between 
and 
:
From the given data, 
and 
represents 
.
Substitute 
in 
.
.
About 
major hurricanes.
(d)
Graph the function.
Graph of the cubic function :
(e)
Predict the number of major hurricanes that struck the united states between 
and 
:
According to the given data, and represents 
.
Substitute 
in .
.
Approximately 
major hurricanes.
(f) Yes.
(a) Scatter diagram of the data:
The relation appears to be cubic.
(b) .
(c) About major hurricanes.
(d)
Graph of the cubic function :
(e) Approximately major hurricanes.
(f) Yes.
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