Jawabanmu

2014-04-15T22:13:08+07:00
F(x) = 2x - 4
f(3a + 5) = 2(3a + 5) - 4
f(3a + 5) = 6a + 10 - 4
f(3a + 5) = 6a + 6
atau
f(3a + 5) = 6(a + 1)
2014-04-15T22:14:02+07:00
F(x) = 2x-4
f(3a+5) = 2(3a+5) - 4
           = 6a + 10 - 4
           = 6a +6
1 5 1