In the following problems, an equation involving x and y is given. For each problem, determine whether y is a function of x. If it is a one-to-one function, please specify and explain. If it is a function, find the domain and range. (x - 6) = 3(y – 3)
x2 – 2x+3y = 4
y3 – 4 = 0
2|x| + |y| = 2

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?