题目内容

Assume that this activity level is within the relevant range.At an activity level of 2,400 units, Koter Corporation's total variable cost is $118,008 and its total fixed cost is $9,000. For the activity level of 2,500 units, compute:the average total cost per unit.

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Parter Inc., operates a local parcel delivery service. The company keeps detailed records relating to operating costs of trucks, and has found that if a truck is driven 1100 miles per year the operating cost is $11500 . This cost increases to $36000 if a truck is driven 6000 miles per year.Estimate the cost formula for truck operating costs using the high-low method.Variable cost per unit is____.

ParterInc., operates a local parcel delivery service. The company keeps detailed records relating to operating costs of trucks, and has found that if a truck is driven 450 miles per year the operating cost is $3800 . This cost increases to $3280 if a truck is driven 320 miles per year.Estimate the cost formula for truck operating costs using the high-low method.Fixedcost is____.

Matlab提供的ODE求解器中大部分场合的首选方法是:

A. ode45
B. ode23
C. ode15s
D. ode23s

利用中心差商公式计算函数微分时,步长h越小越好

A. 对
B. 错

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