rrusso4
09.06.2020 •
Mathematics
15 Points
The residual plot for a data set is shown.
Based on the residual plot, which statement best explains whether the regression line is a good model for the data set and why?
The regression line is a good model because the residuals approach 0 as x increases.
The regression line is not a good model because there is a pattern in the residual plot.
The regression line is a good model because some residuals are 0.
The regression line is not a good model because the points in the residual plot are far from the x-axis.
Fifteen dots are located on coordinate plane with horizontal x-axis ranges from 0 to 20 in increments of 1 and the vertical y-axis is labeled Residual and ranges from negative 5 to 5 in increments of 1. The dots are located at begin ordered pair 1 comma negative 4 end ordered pair. Begin ordered pair 2 comma negative 4 end ordered pair. Begin ordered pair 3 comma negative 2 end ordered pair. Begin ordered pair 4 comma negative 2 end ordered pair. Begin ordered pair 5 comma negative 1 end ordered pair. Begin ordered pair 6 comma 1 end ordered pair. Begin ordered pair 7 comma 0 end ordered pair. Begin ordered pair 8 comma 2 end ordered pair. Begin ordered pair 9 comma 1 end ordered pair. Begin ordered pair 10 comma 3 end ordered pair. Begin ordered pair 11 comma 3 end ordered pair. Begin ordered pair 12 comma 2 end ordered pair. Begin ordered pair 13 comma 1 end ordered pair. Begin ordered pair 14 comma 0 end ordered pair. Begin ordered pair 15 comma 0 end ordered pair.
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Ответ:
B
Step-by-step explanation:
ered pair. Begin ordered pair 10 comma 3 end ordered pair. Begin
Ответ:
f(3)=3
Step-by-step explanation:
Plugin 3 for x, and simplify
f(x) =5(x)−12
f(3) =5(3)−12
=15−12
f(3)=3