Diketahui Fungsi f(x)=2x-3Jika F(b)=5. nilai b adalah..​

Diketahui :

– F(x) = 2x – 3

– F(b) = 5

Ditanya :

– Nilai b = …..?

Penyelesaian :

– Nilai b :

F(x) = 2x – 3

F(b) = 2b – 3

2b – 3 = 5

2b = 5 + 3

2b = 8

b = 8/2

b = 4