IB MAI HL Functions Topic 2.2 Applications of Functions (id: 42b588efb)

本题目来源于试卷: IB MAI HL Functions Topic 2.2 Applications of Functions，类别为 IB数学

[填空题]
A farmer is going to fence two equal adjacent par s,rd3t,zjy5l1 xioc2dmjk( *cells;+r t ,fpmy5s of land. These parcels share one side (which also requires fencing) as shown in the following diagram. The farmer has only 80 metres of fence r y5tp,;+fsml.

1.Write down the equation for the total length of the fence, 80m, in terms of x and y. ax+by=c a =    b =    c =   
2.Write down the total area of both parcels of land in terms of x.
3.Find the maximum area, in $m^2$, of one parcel of land. ≈   

参考答案:
空格1: 3  空格2: 4  空格3: 80  空格4: 133±2% 


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