Pls answer! this problem

Which graph represents the equation y =4x

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 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?