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Question 4 Economics is the most quantitative of the social sciences. You will see countless tables and graphs. Consider the slope of curve Z in the following graph 80 60 of 40 20 0 10 20 30 4050 60 At Point A, the slope is positive negative first negative then positive indeterminate from this information first positive then negative.Question If a linear relation is described by the equation was C- 60 5D, then the vertical intercept of the graph (where C is on the vertical axis) is: 35 50 60 Not known 40

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Answer #1

Question 4.

As long as the curve z remains upward sloping from left to right [that is till point B], the curve is said to to positively sloped.

Therefore, at point A, the slope is positive. First option is correct.

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Question 2.

The vertical intercept will be the one where in the equation, D=0.

That is, C= 60- 5x0 = 60.

The correct answer is thus, option 3.

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