Answer:
If you know your doubles, then it should be easy to go from 4 + 4 = 8 to 4 + 5 = 9.
Step-by-step explanation:
M = 1.2*

+ 0.13
If M = 19,
ln((19-0.13)/1.2)/.25 = t
Given:
A line passes through the points (-1, -1) and (5,8).
To find:
Which points lie on the same line?
Solution:
If a line passes through two points, then the equation of the line is:

A line passes through the points (-1, -1) and (5,8). So, the equation of the line is:




Multiply both sides by 2.




So, the equation of the line is
.
Now, check each point for this equation.
Putting
, we get




Similarly,
For
.
For
.
For
.
For
.
For
.
Therefore, the points (-3,-4), (9,14), (1,2) and (3,5) lie on the same line but the points (4,7) and (-2,-2) are not on that line.