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Algebra
Pregunta

36. The height of a soccer ball above the ground, ...

36. The height of a soccer ball above the ground, \( y \) , in metres, is modelled by the function 

\( y = - 4.9 x ^ { 2 } + 5 x + 1 \) , where \( x \) is the time in seconds after the ball is kicked. 

a) Use technology to determine the maximum height the ball will reach. Round your answer to the nearest tenth of a metre. 

b) State any restrictions on the domain and range of the function. 

c) For how long is the ball in the air? 

Answer

a) 2.3 meters

b) domain: x\(\ge\)0

range: y\(\ge\)0

c) 1.2 seconds

Solución
View full explanation on CameraMath App.