Question

Tolong dibantu yg jago mtk

Answer 1

Verified answer

Fungsi

melalui dua titik yaitu (3, 7) dan (7, 15)
rumus f (x) = ax + b

3a + b = 7
7a + b = 15
-------------- -
      -4a = -8
         a = 2

Subtitusikan

    3a + b = 7
3 (2) + b = 7
     6  + b = 7
            b = 1

Rumus fungsi
⇒ f (x) = ax + b
⇒ f (x) = 2x + 1  (C)


Semoga Membantu!!!