document.write( "Question 654288: If an object is thrown upward with an initial velocity of 96ft/sec,its height after t seconds is given by h(t)=96t-16tsquared. Find the maximum height of the object. \n" ); document.write( "
Algebra.Com's Answer #408674 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! If an object is thrown upward with an initial velocity of 96ft/sec,its height after t seconds is given by h(t)=96t-16tsquared. Find the maximum height of the object. \n" ); document.write( "** \n" ); document.write( "h(t)=96t-16tsquared \n" ); document.write( "h(t)=96t-16t^2 \n" ); document.write( "h(t)=-16t^2+96t \n" ); document.write( "This is an equation of a parabola that opens downwards. \n" ); document.write( "Its standard form: y=(x-h)^2+k, (h,k) = (x,y) coordinates of the vertex. \n" ); document.write( "maximum=y-coordinate of vertex. \n" ); document.write( ".. \n" ); document.write( "complete the square: \n" ); document.write( "h(t)=-16(t^2-6t+9)+144=-16(t-3)^2+144 \n" ); document.write( "vertex: (3,144) \n" ); document.write( "maximum height of the object=144 ft \n" ); document.write( " \n" ); document.write( " |