Question : 61) As a curve approaches a maximum point, the slope : 1241004

 

61) As a curve approaches a maximum point, the slope will

A) be positive and then negative after the maximum point.

B) be negative and then positive after the maximum point.

C) remain constant on either side of the maximum point.

D) increase before and after the maximum point.

E) decrease before and after the maximum point.

62) In the figure above, the relationship between the x variable and the y variable

A) is positive.

B) is negative.

C) starts by being positive and then becomes negative.

D) starts by being negative and then becomes positive.

E) is non-existent because the two variables are unrelated.

 

63) If a curve falls and then rises, it

A) has a maximum.

B) has a minimum.

C) has a linear relationship.

D) has a constant slope relationship.

E) shows no relationship between the two variables.

64) Moving from left to right, a U-shaped curve starts with a

A) positive slope, reaches a maximum, then ends with a negative slope.

B) positive slope, reaches a minimum, then ends with a negative slope.

C) negative slope, reaches a maximum, then ends with a positive slope.

D) negative slope, reaches a minimum, then ends with a positive slope.

E) negative slope, reaches a minimum, then ends with a negative slope.

 

65) The minimum point of a U-shaped curve,

A) is a point where the variable is neither increasing nor decreasing.

B) has a slope equal to zero.

C) has the maximum slope possible.

D) Both answers A and B are correct.

E) Both answers A and C are correct.

 

66) An economist observed that as more computers are added to a factory, the costs of production initially decline, reach a minimum, and then rise. In a diagram that has costs on the vertical axis and the number of computers on the horizontal axis, the relationship always is

A) negative and then linear after the minimum point.

B) positive and then negative after the minimum point.

C) negative and then positive after the minimum point.

D) linear and then positive after the minimum point.

E) negative both before and after the minimum point.

67) If whenever one variable increases, another variable also increases, then these two variables are ________ related.

A) positively

B) negatively

C) inversely

D) cross-sectionally

E) trend-line

 

68) The graph shows a

A) positive relationship that becomes steeper.

B) negative relationship that becomes steeper.

C) positive relationship that becomes less steep.

D) negative relationship that become less steep.

E) negative trend between the total cost of a cake and the output of cakes.

69) A graph of the relationship between two variables is a line that slopes down to the right. These two variables are ________ related.

A) positively

B) directly

C) negatively

D) not

E) trend-line

 

70) A graph shows that the number of U.S. tourists visiting a Caribbean island increases as the temperature in the northeastern United States falls. The graph shows

A) a positive relationship.

B) a direct relationship.

C) a negative relationship.

D) no relationship.

E) an invalid relationship.

 

 

 

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