Matematika

Pertanyaan

F(x)= 2x - 5/x + 3
Jika f(a)=-5 nilai a?

1 Jawaban

  • f(x) = 2x-5/x+3
    f(a) = 2a-5/a+3-5 = 2a-5/a+3
    -5(a+3) = 2a-5-5a-15 = 2a-5-5a-2a = -5+15-7a = 10a = 10/-7 = -1,42

Pertanyaan Lainnya