Question: Graphically solve problem (just state the steepest ascent direction): For each of the following, determine the direction in which the objective function increases: a) z

Graphically solve problem (just state the steepest ascent direction):

For each of the following, determine the direction in which the objective function increases:

a) z = 4x1 - x2

b) z = - x1 + 2x2

c) z = - x1 - 3x2

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