document.write( "Question 1119700: April shoots an arrow upward into the air at a speed of 64 feet per second from a platform that is 34 feet high. The height of the arrow is given by the function h(t) = -16t2 + 64t + 34, where t is the time is seconds. What is the maximum height of the arrow? \n" ); document.write( "
Algebra.Com's Answer #735300 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! April shoots an arrow upward into the air at a speed of 64 feet per second from a platform that is 34 feet high. \n" ); document.write( " The height of the arrow is given by the function h(t) = -16t^2 + 64t + 34, where t is the time is seconds. \n" ); document.write( " What is the maximum height of the arrow? \n" ); document.write( ": \n" ); document.write( "The max height occurs on the axis of symmetry: Using x = -b/(2a) where \n" ); document.write( "a = -16; b = 64 \n" ); document.write( "x = \n" ); document.write( "x = 2 seconds \n" ); document.write( "Find the height at 2 sec \n" ); document.write( "h(t) = -16(2^2) + 64(2) + 34 \n" ); document.write( "h(t) = -64 + 128 + 34 \n" ); document.write( "h(t) = 98 ft is max height \n" ); document.write( " |