Gymnast Clothing manufactures expensive soccer cleats for sale to college bookstores in runs of up to 500. Its cost (in dollars) for a run of x pairs of cleats is: C(x) = 2950 + 6x + 0.1x2 (0 ≤ x ≤ 500). Gymnast Clothing sells the cleats at $130 per pair. Find the revenue and profit functions. How many should Gymnast Clothing manufacture to make a profit?

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Limosa

Answer:

Manufacture more than 24 items to make a profit.

Step-by-step explanation:

Let's find the Revenue function:

Revenue ([tex]R[/tex]) = Price per pair * Number of pairs sold

           [tex]R(x)=130x[/tex]

Now let's find the profit function:

Profit ([tex]P(x)[/tex]) = Revenue ([tex]R(x)[/tex]) - Cost [tex]C(x)[/tex]

([tex]P(x)[/tex])  = ([tex]R(x)[/tex])  – [tex]C(x)[/tex]

[tex]P(x)=130x-(2950+6x+0.1x^{2} )[/tex], Where, ([tex]0\leq x\leq 500[/tex])

The requirement to make a profit:

[tex]P(x)\geq 0[/tex]

⇒[tex]130x-(2950+6x+0.1x^{2} )\geq 0[/tex]

[tex]x=24.265[/tex]    or    x=1215.735

Therefore, they should manufacture more than 24 items to make a profit.