You decide to begin selling glow sticks at the local fairground. your cost for each glow stick is $0.91 plus you have to pay a fixed weekly fee of $150 for the booth. your plan is to sell each glow stick for $2.63. write a function, c ( n ) c(n) , to represent your total costs for the week if you sell n n glow sticks. c ( n ) = c(n)= preview write a function, r ( n ) r(n) , to represent the revenue from the sale of n n glow sticks during the week. r ( n ) = r(n)= preview write a function, p ( n ) p(n) , that represents the profits for selling n n glow sticks in a given week. p ( n ) = p(n)= preview how many items must you sell to break even? glow sticks