Dik:fungsi f(x)=2×-1 tentukan bayangan dari x=3oleh F(×)=​

f(x) = 2x – 1

– – – – –

Bayangan dari x = 3 oleh f(x) = f(3)

f(x) = 2x – 1

f(3) = 2(3) – 1

f(3) = (2 × 3) – 1

f(3) = (3 + 3) – 1

f(3) = 6 – 1

f(3) = 5

===

Fungsi

f(x) = 2x – 1

f(3) = 2(3) – 1

f(3) = 6 – 1

f(3) = 5