Question 1

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Question text

Dada la función w left parenthesis t right parenthesis equals open curly brackets table row cell 2 times cos open parentheses negative t over 4 minus 4 close parentheses minus 8 space space colon end cell cell t less than negative 6 end cell row cell negative 8 times t minus 6 space space colon end cell cell negative 6 less or equal than t less than 0 end cell row cell negative 2 times t squared minus 7 times t minus 5 space space colon end cell cell t greater or equal than 0 end cell end table close

Determina:

1) La imagen de negative 9

Obs.:

Si la función que debes utilizar es trigonométrica, escribe tus resultados en radianes.

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