Acafeteria worker is wondering how student lunch prices at a high school have changed over time. she researches lunch prices for the years 2000-
through 2015 and plots the data in a scatter plot. the best-fit line for the data has the equation y = 0.057 x + 1.150, where x is the number of years
since 2000 and y is the student lunch price, in dollars.
determine whether each statement below is true or false based on the equation of the line of best fit. select true or false for each statement

true false
the student lunch price was generally increasing between 2000 and 2015.

the student lunch price changed by approximately 5.7 cents per year.

the student lunch price in 2015 was approximately $1.15.

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.

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step-by-step explanation:

the system of inequalities is

step-by-step explanation:

step 1

find the equation of the dashed line

we have the points

(0,0) and (3,1)

the line passes through the origin, so, is a direct variation

find the slope

the equation of the dashed line is

the solution of the inequality a s the shaded area above the dashed line

therefore

the equation of the inequality a is

step 2

find the equation of the solid line

we have the points

(4,0) and (0,4)

find the slope

the equation of the solid line is

the solution of the inequality b s the shaded area below the solid line

therefore

the equation of the inequality b is

step 3

the system of inequalities is