Answer:
Step-by-step explanation:
1 yes 2 no 3 no 4 yes 5 no
Look at the attached image (credit to Desmos graphing calculator)
To graph the equation y=4x+1, we just find two points that exist, plot them, and draw a straight line that goes through them.
Let's try x=0:

One point on the line is (0,1)
Let's try x=1:

Another point is (1,5).
Now, plot these two points and draw a line through them.
Answer:
x=4
if that is what you need hope this helped
Step-by-step explanation:
The author rounded to the hundred thousands place.
Answer:
0.0072
Step-by-step explanation:
7.2 x 
=7.2 x 0.001
=0.0072