Jika F(x) = 5x-4/x+4, X ≠ -4 maka turunan Fungsi F di X= 0 adalah? Pliss kakak Bantuu

Question

Matematika Diposting : 2017-10-16 Diupdate : 2017-12-12 ilhameko

Pertanyaan

Jika F(x) = 5x-4/x+4, X ≠ -4 maka turunan Fungsi F di X= 0 adalah?

Pliss kakak Bantuu

Answer 1

turunan f'(x)
f'(x) = {5(x+4) - 1(5x-4)} / (x+4)²
f(0) = {5(0+4) - (5(0)-4)} / (0+4)²
= {5(4) - (-4)} / 4²
= {20+4} / 16
= 24/16
= 3/2