8. The cost function for a particular game in The Toy Store is C(x) =12.60x+750 Determine the unit cost and fixed cost, the cost of purchasing 35 of these games, (c) the number of games purchased if the total cost is $1443. 9 The Times Herald is planning a special-edition magazine. The publishing expenses include fixed costs of $1400 and printing costs of 40 cents per magazine. The magazines will sell for $1.05 each. Find (a) the linear cost function, (b) the linear revenue function, (c) the number of magazines to be sold to make a profit. 10. The Beta Club plans a dance as a fund-raiser. The band costs $650, decorations cost $45, and the refreshments cost $2.20 per person. The admission tickets are $6 each. Find (a) the linear cost function, (b) the linear revenue function, (c) the linear profit function, (d) how many tickets must be sold to break even, (e) how many tickets must be sold to clear $700