Question: Optimization practice Test 3 Application: 1.A fireman has to reach a burning building. Determine the length of the shortest ladder that will reach over a

Optimization practice Test 3

Application:

1.A fireman has to reach a burning building. Determine the length of the shortest ladder that will reach over a 2 metre high fence to the burning building which is 1 metre behind the fence. Draw scenario and solve (5 marks)

2.Car A is 40 km east of Car B and begins moving west at 40 km/h. At the same moment, Car B begins to move north at 70 km/h. What is the closest distance in kilometres the cars will be from each other and at what time t, in hours, will that distance occur(5 marks)

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