Most teachers say that they do it to make sure the kids dont't forget what ws tought that day or to review
I believe it is 3. since it touches the x-axis in three areas
Answer:

Step-by-step explanation:
A highway engineer wants to compute the change in elevation of a section of road. The horizontal distance of this section of road is 2km and downgrade is 8%
The slope formula is given by

m = 8% = 8/100
run = y = 2km




Verification:
%
Answer:
the graph is as illustrated above
The absolute value of x is shifting 3 units up
Answer: angle 2 is supplementary to angle 1