Tolong yaa di jawab ...

jumlah 5 = (1,4)(2,3)(3,2)(4,1) ada 4 kejadian
p = 4/36

titik puncak (xe,ye) = (-2,4)
melalui titik (x,y) = (-4,0)
y = a(x - xe)² + ye
0 = a(-4 - (-2))² + 4
-4 = a(-2)²
a = -1
y = -1(x - (-2))² + 4
y = -1(x² + 4x + 4) + 4
y = -x² - 4x - 4 + 4
y = -x² - 4x