Question

y=3x2
найти значение x, если y=9;6;2;8;1;3.

Answer 1

y = 3x^2
x = 9 => y = 3*81 = 243
x = 6 => y = 3*36 = 108
x = 2 => y = 3* 4 = 12
x = 8 => y =3 * 64 = 192
x = 1 => y =3 *1 = 3
x = 3 => y = 3^3 = 27