f(x)= 3х-3
1) f(2) = 3 · 2 + 3 = 9
f(2) = 9
2) f(3) = 3 · 3 + 3 = 12
f(3) = 12
3) f(2) + f(3) = 9 + 12 = 21
f(2) + f(3) = 21
ответ: 21
f(x)= 3х-3
1) f(2) = 3 · 2 + 3 = 9
f(2) = 9
2) f(3) = 3 · 3 + 3 = 12
f(3) = 12
3) f(2) + f(3) = 9 + 12 = 21
f(2) + f(3) = 21
ответ: 21