Dik. Fungsi eksponen dgn rumus f (x) = 2 × 3^x+1 Tentukan RANGE jika daerah asalnya {x| -3 < x < 4, x bil bulat} tlg bntu

Bab Himpunan
Matematika SMP Kelas IX

daerah asal = {-2, -1, 0, 1, 2. 3 }
f(x) = 2 . 3^x + 1

f(-2) = 2 . 3^(-2) + 1
f(-2) = 1 2/9

f(-1) = 2 . 3^(-1) + 1
f(-1) = 1 2/3

f(0) = 2 . 3^0 + 1
f(0) = 3

f(1) = 2 . 3^1 + 1
f(1) = 7

f(2) = 2 . 3^2 + 1
f(2) = 19

f(3) = 2 . 3^3 + 1
f(3) = 55

Range = { 1 2/9, 1 2/3, 3, 7, 19, 55 }