A bridge, riverbed can be modeled by h=0.005x2 + 24 how many zeros do you expect ? how high could the water rise before it can still use?



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pramodpandey's profile pic

Posted on (Answer #1)

We have given


We can write h as function of x


The possible  zeros of h(x) is 2 ,because h(x) is polynomial of degree 2.So it has maximum two zeros (It is not necessary that all zeros are real ).Lets draw it graph ,then try to discuss


x=0 then h(x)=24

Thus maximu rise of water= 24 units.

fortunately I can  draw its graph.

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