Matematika

Pertanyaan

tolong bantu jawab beserta caranya terimakasij
tolong bantu jawab beserta caranya terimakasij

2 Jawaban

  • 17. f(x) = 1/2 x + 5
    f(a) = 8
    a = ...

    Penyelesaiam
    f(x) = 1/2 x + 5
    f(a) = 1/2 a + 5 = 8
    => 1/2 a = 8 - 5
    => 1/2 a = 3
    => a = 3 / 1/2
    => a = 6 (D)
  • Fungsi

    f (x) = [tex] \frac{1}{2}x + 5[/tex]

    f (a) ⇒
    [tex] \frac{1}{2}a + 5[/tex] = 8   |x2|

           ⇒ a + 10 = 16

           ⇒         a = 6  (D)


    Semoga Membantu!!!