Packet #18 Optimization Problems

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Presentation transcript:

Packet #18 Optimization Problems Math 180 Packet #18 Optimization Problems

In optimization problems, the goal is to maximize or minimize something (like volume, area, cost, …).

Optimization problem take practice, but the steps are similar Optimization problem take practice, but the steps are similar. Here are the basic ones: Draw a diagram. (Often a coordinate system will help.) Create function that want to optimize. Find an equation to help rewrite function in one variable. Find absolute max/min for that function using derivatives.

Optimization problem take practice, but the steps are similar Optimization problem take practice, but the steps are similar. Here are the basic ones: Draw a diagram. (Often a coordinate system will help.) Create function that want to optimize. Find an equation to help rewrite function in one variable. Find absolute max/min for that function using derivatives.

Optimization problem take practice, but the steps are similar Optimization problem take practice, but the steps are similar. Here are the basic ones: Draw a diagram. (Often a coordinate system will help.) Create function that want to optimize. Find an equation to help rewrite function in one variable. Find absolute max/min for that function using derivatives.

Optimization problem take practice, but the steps are similar Optimization problem take practice, but the steps are similar. Here are the basic ones: Draw a diagram. (Often a coordinate system will help.) Create function that want to optimize. Find an equation to help rewrite function in one variable. Find absolute max/min for that function using derivatives.

Optimization problem take practice, but the steps are similar Optimization problem take practice, but the steps are similar. Here are the basic ones: Draw a diagram. (Often a coordinate system will help.) Create function that want to optimize. Find an equation to help rewrite function in one variable. Find absolute max/min for that function using derivatives.

Ex 1. Find the area of the largest trapezoid that can be inscribed in a circle of radius 1 and whose base is a diameter of the circle.

Ex 2. You have been asked to design a 1000-cm3 can shaped like a right circular cylinder. What dimensions will use the least material?

Ex 3. Find the point on the parabola 𝑦 2 =2𝑥 that is closest to the point 1, 4 .

Ex 4. A right circular cylinder is inscribed in a cone with height ℎ and base radius 𝑟. Find the largest possible volume of such a cylinder.