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The height (in meters) of a shot cannonball follows a trajectory given by  \( h(t) = -4.9t^2 + 14t - 0.4\) at time  \(t\)(in seconds). As an improper fraction, for how long is the cannonball above a height of \(6\) meters?

 

thanks a lot guys

 Dec 30, 2019
 #1
avatar+11146 
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As an improper fraction, for how long is the cannonball above a height of 6 meters?

laugh

 Dec 30, 2019

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