The function is [tex]\rm f(t)= 1600 * ( 0.8 )^t[/tex] , Option D is the correct answer.
What is a Function ?
A function is a law that develops relation between a dependent an an independent variable.
As shown in the table
The value of computer at 0 year is 1600
in 1st year is 1280
2nd year is 1024
3rd year is 819
4th year is 655
As they do not have a linear change , the function is not a straight line equation
The ratio of change is 0.8 which is constant for the increasing year
The function is
[tex]\rm f(t)= 1600 * ( 0.8 )^t[/tex]
Therefore Option D is the correct answer.
The missing table is attached with the answer.
To know more about Function
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