I just want to go to sleep but I have this last question pls help T-T
 If the equation y=3x+2 is changed to y=-3x+2, how will the graph of the line change?
 a. It will slope in the opposite direction
 b. It will shift left 1/3 units
 c. The new line will be parallel to the original line
 d. It will shift down 3 units