A: increasing and convex upward
B: decreasing and convex upward
C: increasing and convex downward
D: decreasing and convex downward
举一反三
- You stand on a spring scale on the floor of an elevator . Of the following, the scale shows the minimum reading when the elevator： (The magnitude of acceleration is same.) A: moves upward with increasing speed B: moves upward with decreasing speed C: remains stationary D: moves downward with decreasing speed
- The supply curve slopes upward when graphed against ________, because of ________. A: the price of the good; increasing marginal cost B: the price of the good; decreasing marginal cost C: income; increasing marginal cost D: income; decreasing marginal cost
- In order to determine the slope and displacement of a beam by integration, it is important to use the proper signs for M, V or w. Positive deflection v is ( ) and as a result, the positive slope angle [img=9x19]17de8338539dd00.png[/img] will be measured ( ) from the [img=11x14]17de83385e83d59.png[/img] is positive to the ( ). A: upward, counterclockwise, right B: upward, counterclockwise, left C: downward, clockwise, right D: upward, clockwise, left
- If the function [img=34x25]17de81deae56b45.png[/img] is a monotonically increasing continuous function, then [img=201x51]17de81deba1b3ad.png[/img].
- If a firm takes the wage as given, then the supply curve of labor to that firm is A: horizontal. B: vertical. C: upward sloping. D: downward sloping.
内容
- 0
The estimated interval [img=47x29]1803a31cd5741d9.png[/img] is formed by a pair of interval estimators [img=15x27]1803a31cde55410.png[/img] and [img=15x27]1803a31ce748559.png[/img] so that [img=189x39]1803a31cf05b641.png[/img]. Whether the statement is correct or not that the probability of the changed parameter falling within the interval [img=47x29]1803a31cd5741d9.png[/img] is [img=43x20]1803a31d099e3ee.png[/img].
- 1
A $5 tax per gallon of paint placed on the buyers of paint will shift the demand curve A: downward by exactly $5. B: downward by less than $5. C: upward by exactly $5. D: upward by less than $5.
- 2
Assume that the inflation rate becomes much higher in the UK relative the US. This will place _______ pressure on the value of the British pound. Also, assume that interest rates in the UK begin to rise relative to interest rates in the US. The change in interest rates will place _______ pressure on the value of the British pound. A: upward;<br/>downward B: upward;<br/>upward C: downward;<br/>upward D: downward;<br/>downward
- 3
An increase in the current account deficit will place ____ pressure on the home currency value, other things equal. A: upward B: downward C: no D: upward or downward (depending on the size of the deficit
- 4
The English keep the fork in the left hand, with the point turned up or downward? A: upward B: downward