A Professor Needs Help from Three Student Helpers to Complete

question 33

Multiple Choice

A professor needs help from three student helpers to complete four tasks. The first task is grading; the second is scanning; the third is copying, and the fourth is organizing student portfolios. The estimated time for each student to do each task is given in the matrix below.
$$\begin{array} { r r r r r } & \mathbf { 1 } & \mathbf { 2 } & \mathbf { 3 } & \mathbf { 4 } \\\hline \text { Student A } & 90 & 50 & 40 & 20 \\\mathbf { B } & 120 & 60 & 30 & 50 \\\mathbf { C } & 110 & 60 & 50 & 70 \\\hline\end{array}$$
-Which of the following constraints represents the assignment for task 2, scanning?

• A) X2A +X2B + X2C = 0
• B) X2A +X2B + X2C = 1
• C) X2A +X2B + X2C ? 1
• D) X2A +X2B + X2C ? 0

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Definitions:

Temporal

Temporal refers to anything related to time, whether it pertains to its measurement, its passage, or its characteristics within contexts.

Da Vinci

Renowned Italian polymath of the Renaissance period known for his contributions to art, science, and engineering.

Escher

A Dutch artist known for his mathematically inspired woodcuts, lithographs, and mezzotints featuring impossible constructions and explorations of infinity.

Prefrontal Cortex

Is the part of the brain located at the front of the frontal lobe, involved in complex behaviors, decision-making, and moderating social behaviour.