This is line that comes from the second quadrant to the fourth quadrant through the origin ( negatively sloped ) and needs a few points to graph. Just put in values for X.
Y = - 2(1)
Y = - 2
Y = - 2(2)
Y = - 4
Y = - 2(3)
Y = - 6
(1, - 2)
----------
(2, - 4)
---------
(3, - 6)
--------------------and this should be all the points you need to plat this line, but if more are needed you can easily find them
-2
y 2 1 x 0 1 2
12
-2
8
8
That line is [ y = 2 cos(2x) ].
3
This site is not suitable for graphs.
No.
10
The domain of y = 2x is [0, +infinity].