Diketahui f:x 4x-n jika f(3)=18 maka f(-2)

~Fungsi

f(x) = 4x – n

f(3) = 4(3) – n

 18 = 12 – n

   n = 12 – 18

   n = -6

f(x) = 4x + 6 → Rumus

Maka , f(2) = … ?

f(2) = 4(2) + 6

f(2) = 8 + 6

f(2) = 14