f(a)= 2a-5
11=2a-5
11+5=2a
16=2a
a=16/2
a=8
Penyelesaian:
f(x) = 2x - 5
f(a) = 11
11 = 2x - 5
- 2x = - 5 - 11
- 2x = - 16
x = -16/-2
x = 8
x = a, jadi nilai a = 8
==================
Kelas: 8
Mapel: Matematika
Bab: Fungsi
Kode: 8.2.2
Kata Kunci: -
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Verified answer
f(a)= 2a-5
11=2a-5
11+5=2a
16=2a
a=16/2
a=8
Penyelesaian:
f(x) = 2x - 5
f(a) = 11
f(x) = 2x - 5
11 = 2x - 5
- 2x = - 5 - 11
- 2x = - 16
x = -16/-2
x = 8
x = a, jadi nilai a = 8
==================
Detil Jawaban
Kelas: 8
Mapel: Matematika
Bab: Fungsi
Kode: 8.2.2
Kata Kunci: -