Answer:
A model is an estimate of a data set.
A useful model can be used to make predictions.
Step-by-step explanation:
There are various models used in mathematics which are used to predict variables. The regression model is used to predict the relation between two variables. There are various other models which help to predict the future events and outcome of these events.
Let's take two points so that we can get the equation of the line which goes through those points. P1 (-9, -2), P2 (3, -17):


So, y is the line which goes through the first and last points of the chart.
To proof that the rest of points go through the line as well, we will evalute each point

Since the evaluation of these points don't correspond to the values of the chart we can assure that the relationship is not linear
3(-6+2)
3(-4)
12
;( the correct
Answer:
-20x + 15
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
your answer is 6 because she did 12 in 1hr and the other 12 in 3hr so you take 3=1+4 and divide 24 by 4 which is 6