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Verified answer
Pelajaran :MatematikaKelas :8
Bab :2
Nama Bab :Fungsi
Kode mapel:2
Kode :8.2.2
Jawab:
f(x)=3x-2
f(2)=3(2)-2
=6-2
=4
f(-1)=3(-1)-2
=-3-2
=-5
f(2a)=3(2a)-2
=6a-2
f(a-1)=3(a-1)-2
=3a-3-2
=3a-5
Verified answer
Nilai FungsiSoal
f(x) = 3x - 2
maka tentukan
1. f(2)
2. f(-1)
3. f(2a)
4. f(a - 1)
Penyelesaian
1. f(2) = 3(2) - 2
= 6 - 2
= 4
2. f(-1) = 3(-1) - 2
= -3 - 2
= -5
3. f(2a) = 3(2a) - 2
= 6a - 2
4. f(a - 1) = 3(a - 1) - 2
= 3a - 3 - 2
= 3a - 5