A pizza truck sells 40 pizzas for $10 each per night. If they increase the price by $1, they sell 4 less pizzas, so their price function is p(x) The pizzas cost them $5 each to make. = 20- a) Write their profit as function of a, the number of pizzas they make and sell.

Algebra and Trigonometry (6th Edition)
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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7. A pizza truck sells 40 pizzas for $10 each per night. If they increase the price by $1, they sell 4 less
pizzas, so their price function is p(x) = 20
The pizzas cost them $5 each to make.
-
4
(a) Write their profit as function of x, the number of pizzas they make and sell.
(b) Use Calculus to find how much they should sell pizzas for to maximize their profit (show the test
from Calculus that proves this is their maximum possible profit). Include units.
Transcribed Image Text:7. A pizza truck sells 40 pizzas for $10 each per night. If they increase the price by $1, they sell 4 less pizzas, so their price function is p(x) = 20 The pizzas cost them $5 each to make. - 4 (a) Write their profit as function of x, the number of pizzas they make and sell. (b) Use Calculus to find how much they should sell pizzas for to maximize their profit (show the test from Calculus that proves this is their maximum possible profit). Include units.
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