1)f(3) = 33 - 2 = 7f(0) = 30 - 2 = -2f(-0.2) = 3(-0.2) - 2 = -2.6f(1.6) = 31.6 - 2 = 2.8
2)Для f(x) = 10:3x - 2 = 103x = 12x = 4
Для f(x) = -6:3x - 2 = -63x = -4x = -4/3
Для f(x) = 0:3x - 2 = 03x = 2x = 2/3
1)
f(3) = 33 - 2 = 7
f(0) = 30 - 2 = -2
f(-0.2) = 3(-0.2) - 2 = -2.6
f(1.6) = 31.6 - 2 = 2.8
2)
Для f(x) = 10:
3x - 2 = 10
3x = 12
x = 4
Для f(x) = -6:
3x - 2 = -6
3x = -4
x = -4/3
Для f(x) = 0:
3x - 2 = 0
3x = 2
x = 2/3