I need this answer quick!!

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

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.