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Algebra
Pregunta

3. A rocket is shot straight into the air at an in...

3. A rocket is shot straight into the air at an initial velocity of \( 40 \) feet/second. The height of the rocket after \( t \) seconds is represented by the formula 

\( h = 40 t - 5 t ^ { 2 } \) . What is the maximum height the rocket reaches? 

\( 100 \) feet 

\( 80 \) feet 

\( 50 \) feet 

\( 90 \) feet 

Answer

80

Solución
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