Find the sum and choose the correct answer.

(2n 3 - 8n 2 + 7) + (n 3 + 8n - 9)

3n3 - 2
3n3 - 8n2 + 8n - 2
2n6 - 8n2 + 8n - 2
3n6 - n - 2

Acertain company's main source of income is a mobile app. the company's annual profit (in millions of dollars) as a function of the app's price (in dollars) is modeled by p(x)=-2(x-3)(x-11)p(x)=−2(x−3)(x−11) which app prices will result in \$0$0 annual profit? enter the lower price first.