Which graph represents the system 2y = 4x and y = 2x + 1* 4.5 4.0 1 2.5 25 21 2.0 1. 1.0 1.0 065 0/5) -1 2 1 2 3 40.5 -1.5 1.0 -1.51 2.0 O Option 1 Option 2 6.0 4.5 4.5 4.0 3.5 3.0 2.5 2.0 1. 2.5 2.0 1.0 10 OS 2 1 2 3 -0.51 -0.5 -1.0 -1.5 200 O Option 3 O Option 4

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

step-by-step explanation: