Answer:
1556963
Step-by-step explanation:
vjrogjrogjogjrg
100+4200 is 4,300
4,300+50 is 4,350 if you rounded that to the nearest 10,000 it's 10,000
Explain cause I think you're missing something from the question
Answer: f(x+1) =2x^2 -3x-12
Hope this helps ʕ•ᴥ•ʔ