Elsa makes and sells candles. the function c = 2n + 125 represents her costs, in dollars, for producing n candles. her revenue, or the amount she receives for selling n candles, can be represented by the function r = 4n. which function represents elsa’s profit, p, for selling n candles? elsa makes and sells candles. the function c = 2n + 125 represents her costs, in dollars, for producing n candles. her revenue, or the amount she receives for selling n candles, can be represented by the function r = 4n. which function represents elsa’s profit, p, for selling n candles?