Mathnasium of University Irvine - Football Height

Sep 2, 2021 | University Irvine

Algebra and Up:

Question: Rico throws a football into the air. The football’s height above the ground in meters after a given amount of time in seconds t can be found using the function f(t) = –5t² + 15t + 2. How long does the football stay in the air after Rico throws it? You may use your calculator. Round your answer to the nearest tenth of a second.