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
As an improper fraction, for how long is the cannonball above a height of 6 meters?
+154 
