Recycled​ CDs, Incorporated, offers a choice of 5 used CDs for ​$29​, with each additional CD costing ​$. Write a cost function for purchasing 5 or more CDs. What will the cost of buying CDs​ be? Let x represent the number of CDs over 5.

Respuesta :

The cost function will be of the form f(x) = x + 29.

What is a  function ?

A function have a set of dependent variable for the given or specified independent variable.

According to the given question Recycled​ CDs, Incorporated, offers a choice of 5 used CDs for ​29 dollars with each additional CD costing a dollar.

We have to write a function for purchasing 5 or more CDs where x represents the no. of CDs over 5.

Let f(x) represents the cost of CDs.

∴ f(x) = x + 29.

Here the constant 29 dollars represents the cost of 5 CDs and x represents no. of CD's over 5.Put x = 0 and the cost for 5 CDs will be 29 and for any more value of x we will get our desire result.

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