Find the Length of the Plane Curve Given Below $\mathbf { r } ( t ) = 3 \cos t \mathbf { i } + 3 \sin t \mathbf { j } , [ 0,6 ]$

question 68

Multiple Choice

Find the length of the plane curve given below. $\mathbf { r } ( t ) = 3 \cos t \mathbf { i } + 3 \sin t \mathbf { j } , [ 0,6 ]$

• A) 20
• B) 9
• C) 17
• D) 19
• E) 18

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Definitions:

Fixed Costs

Costs that do not vary with the level of production or sales, such as rent or salaries.

Marginal Product

The increase in output that arises from an additional unit of input.

Economic Theory

The study of economies or economic systems, the behavior of economic agents, and the allocation of resources.

Workers' Wage

The monetary compensation paid to a worker for their labor.