f(x)=2x+7danf-1(x)=1/2×7(f pakat 1 f) By Admin ReiPosted on October 28, 2022 f(x)=2x+7danf-1(x)=1/2×7(f pakat 1 f) Jawab: (o)(x)= x Penjelasan dengan langkah-langkah: