Suppose a trough with trapezoidal cross sections is formed by turning up the edges of a 30-inch-wide sheet of aluminum (see figure) . Find the cross section of maximum area. 
Definitions:
Expectancy Theory
A motivational theory suggesting that individuals are motivated to act in ways based on the expected outcomes of their actions.
Effort-To-Performance
The perceived probability that an individual’s effort will lead to a specific level of performance.
Work-Outcome Relationships
Refers to the connection between the tasks performed at work and the results achieved, impacting employee satisfaction and organizational success.
Desirability
The degree to which something appeals to or is sought after by individuals, often influencing their choices and behaviors.
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Q17: Given <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4584/.jpg" alt="Given ,
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Q18: Evaluate the line integral along the path
Q36: Which of the following is not one
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