The tent shown below has fabric covering all four sides and the floor. What is the minimum amount of fabric needed to construct
the tent?
1 answer:
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Graph is missing but we can still solve this problem using given information.
Given that graph is cubic which increases first then decreases then increases again. The graph intercepts the x axis at approximately -1.8, 0, and 3.2.
That means graph will look similar to attached graph.
We can see that maximum lies at point A Which is clearly between x=-1.8 and x=0
That best matches with x=-1 from given choices.
We can see that minimum lies at point B Which is clearly between x=0 and x=3.2
That best matches with x=2 from given choices.
Hence final answer is "Local maximum: approx. (-1,1.17); local minimum: approx. (2,-3.33)"
