Question

A student is planning to produce and sell music DVDs for $5.50 each. A computer with a DVD burner costs $800, and eachblank DVD costs $1.50. Let x represent the number of DVDs he makes. Express the cost C as a function of x

Answer 1

C(x) = 800 + 1.5x

Explanation:

Cost of making a DVD.

Has a flat fee and a fee per DVD.

The flat fee is for the computer, which costs $800.

For each DVD, the fee is of $1.50.

So the cost C is given by:

C(x) = 800 + 1.5x