chops85
20.03.2020 •
Mathematics
PLEASE HELP
How is the number 50 significant on the scatter plot below?
A.It is the slope of the Line of Best Fit.
B.It is the number of TV's sold when the price is around $1,000.
C.It is the initial value of the Line of Best Fit.
D.The number 50 is not significant in this scatter plot.
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Ответ:
The number 50 is significant because, as shown by the line, it is the y-intercept. With 50 being the y-intercept, that means that when the price of TV equals 0, the number of TV's sold equals 50.
The correct answer is C. It is the initial value of the Line of Best Fit.
Hope this helps!! :)
Ответ:
The population of bacteria can be expressed as a function of number of days.
Population =![\[5*2^{n-1}\]](/tpl/images/0521/3210/86c78.png)
where n is the number of days since the beginning.
Step-by-step explanation:
Number of bacteria on the first day=![\[5 * 2^{0} = 5\]](/tpl/images/0521/3210/76b0b.png)
Number of bacteria on the second day =![\[5 * 2^{1} = 10\]](/tpl/images/0521/3210/c504e.png)
Number of bacteria on the third day =![\[5*2^{2} = 20\]](/tpl/images/0521/3210/1bac1.png)
Number of bacteria on the fourth day =![\[5*2^{3} = 40\]](/tpl/images/0521/3210/c8eb6.png)
As we can see , the number of bacteria on any given day is a function of the number of days n.
This expression can be expressed generally as![\[5*2^{n-1}\]](/tpl/images/0521/3210/86c78.png)
where n is the number of days since the beginning.