Answer:
-39192
Step-by-step explanation:
y= -4x^2 +8x+8
Let x = 100
y= -4(100)^2 +8(100)+8
= -4(10000)+800+8
=-40000+808
= -39192
-39192
-4*100*100+8*100+8
-4*10000+800+8
-40000+808
