Tolong bantu.. Terima Kasih..

f(x) = x + 1
gof(x) = g(f(x))
g(x+1) = x² + 5x + 5
g(-1) = ....
lihat yg di dalam kurung
x + 1 = -1
x = -1 - 1
x = -2
g(-2) = (-2)² + 5(-2) + 5
= 4 - 10 + 5
= -1
pilihan B