Diketahui rumus fungsi f(x) = 5x – 3.

Jika f(m) = 27 dan f(-2) = n, nilai dari m + n yaitu . . . .

Pembahasan:
f(x) = 5x – 3
f(m) = 5m – 3
27 = 5m – 3
27 + 3 = 5m
30 = 5m
m = 6
f(-2) = 5(-2) – 3
n = -10 – 3
n = -13
Makara, nilai m + n = 6 – 13 = -7
  Hasil limit x mendekati 3 x²-x-12/x³=