Diketahui k(x)=2x+5 dan m(x)=x-1:x+4.jika (k • m) (a) =5,maka a=......

Fungsi
• komposisi

k(x) = 2x + 5
m(x) = (x - 1)/(x + 4)

(kom)(a) = 5
2(a - 1)/(a + 4) + 5 = 5
2(a - 1)/(a + 4) = 0
a - 1 = 0
a = 1 ✔