Question 1

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Considereu la funció: f left parenthesis x right parenthesis equals open curly brackets table row cell negative 5 times x minus 6 space space space space x less-than or slanted equal to 19 end cell row cell negative 3 times x squared minus 2 times x minus 2 space space space space x greater than 19 end cell end table close.
Calcula f apostrophe subscript plus left parenthesis 19 right parenthesis


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