persamaan grafik fungsi pada gambar adalahhh ...

d. f(x) = 3^x +1
bukti
x=0, f(0) = 3^0 +1 = 2 (bilangan apapun jika dipangkat 0 hasilnya 1)
x=1, f(1) = 3^1 +1 = 4
x=2, f(2) = 3^2 +1 = 10