Emma, Jennifer, and Dylan went on a multi- cultural school field trip with their spanish club to acapulco mexico. They decided to escape the club in order to go cliff diving into the ocean. Jennifer demanded to go first and jumped off a cliff into the ocean. Her height as a function of time could be modeled by the function h(t)= -16t+16t +480 where t equals time in seconds and h is height in feet. How long did it take for jennifer to reach her maximum height?