document.write( "Question 1025746: A baseball is hit so that its height in feet t seconds after it is hit can be represented by the following equation.
\n" );
document.write( "h(t) = −16t2 + 40t + 3\r
\n" );
document.write( "\n" );
document.write( "(a) What is the height of the ball when it is hit? (Include units with your numerical answers.)
\n" );
document.write( "The ball is at a height of______ when it is hit.\r
\n" );
document.write( "\n" );
document.write( "(b) When does the ball reach a height of 15 feet? (Round your answers to two decimal places. Include units with your numerical answers.)
\n" );
document.write( "The ball reached a height of 15 feet about______(smaller value) and again______(larger value) after being hit.\r
\n" );
document.write( "\n" );
document.write( "(c) When does the ball reach its maximum height? (Round your answers to two decimal places. Include units with your numerical answers.)
\n" );
document.write( "The ball reached its maximum height_______after being hit.\r
\n" );
document.write( "\n" );
document.write( "(d) What is the ball's maximum height? (Include units with your numerical answers.)
\n" );
document.write( "The ball reached a maximum height of_________.
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #641059 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A baseball is hit so that its height in feet t seconds after it is hit can be represented by the following equation. \n" ); document.write( "h(t) = -16t2 + 40t + 3\r \n" ); document.write( "\n" ); document.write( "(a) What is the height of the ball when it is hit? \n" ); document.write( "Find h(0) \n" ); document.write( "================ \n" ); document.write( "(b) When does the ball reach a height of 15 feet? \n" ); document.write( "h(t) = -16t2 + 40t + 3 = 15 \n" ); document.write( "Solve for t. \n" ); document.write( "======================= \n" ); document.write( "(c) When does the ball reach its maximum height? \n" ); document.write( "Find the vertex of the parabola. \n" ); document.write( "========================== \n" ); document.write( "(d) What is the ball's maximum height? \n" ); document.write( "See (c) \n" ); document.write( " |