Amirror works on the principle of a. refraction b. reflection, c.dispersion? and a lens works on the principle of a. refraction b. reflection c. dispersion?

reflection, refraction

Explanation:

When the ray of light falls on a highly polished and smooth surface, then after striking it bounce back into the same medium, this phenomenon is called reflection.

So, mirror works on the principle of reflection.

When a ray of light passes from one optical medium to another optical medium, it deviates from its path, this phenomenon is called refraction.

So, lens works on the principle of refraction.

because it says use -2,0,and 2 for x, we can plug those numbers into the equation. y/4=3/4(-2)+2   y/4= -1 1/2 +2 now to get x by itself, we can multiply each side by 4. y=-6+8 which equals y=2 when x=-2. now you can do the same thing with 0 and 2 as x. you get y=8 when x=0 and y=14 when x=2.

x   |   y

-2 |   2

0   |   8

2   |   14

a lot of it means it can be "burned" for energy and sold at one price. if it is scarce, the price will go up