tolong dijawab dong soalnya. thx :)

g(x)= ax+6
g(-3)=9
→ ax +6
→ a.(-3) + 6 =9
→ -3a = 3
→ a = -1


h(x) = x²-ax+(a+5)
h(x) = x² -(-1)x + (-1+5)
h(x) = x² + x +4. " D "