Exemplos de problemas com porcentagem (resolvido)

Autility company burns coal to generate electricity. the cost c(p), (in dollars) of removing p percent of the some stack pollutants is given by c(p)= 85000p/100-p a) find the cost to remove 30% of the pollutant b) find where the function is undefined

Answer question above and explain each step : )

Which of the following is the result of expanding the series