Use algebraic methods to prove that the given function has an x-intercept that is equal to its y-intercept. in your final answer, include all of your calculations. y = x/x^2 - 1

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?