A chess master creates instructional videos about various opening strategies. She sells the videos in 3-hr packages for $ 35 each. Her one-time initial cost to produce each 3-hr video package is $4,600 (this includes labor and the cost of computer supplies). The cost to package and ship each DVD is $ 2.95. a. Write a linear cost function that represents the cost C(x) to produce, package, and ship x 3-hr video packages. b. Write a linear revenue function to represent the revenue R(x) for selling x 3-hr video packages. c. Evaluate (R - C)(x) and interpret its meaning in the context of this problem.

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