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Algebra
Pregunta

A person throws a stone into the air. The height, ...

A person throws a stone into the air. The height, in feet, \( h ( t ) \) after \( t \) seconds is given by the following equation. 

\( h ( t ) = - 16 t ^ { 2 } + 67 t + 12 \) 

a. What is the height of the stone after \( 4 \) seconds? 

b. When is the stone at a height of \( 43 \) feet? 

c. When does the stone reach the ground? 

a. The height of the stone after \( 4 \) seconds is \( 24 \) feet. 

b. When is the stone at a height of \( 43 \) feet? 

____seconds 

(Round to two decimal places as needed. Use a comma to separate answers as needed.) 

Answer

0.53, 3.66

Solución
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