Question 1

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Considereu la funció: f left parenthesis x right parenthesis equals open curly brackets table row cell 9 times a plus 7 times x space space space space x less than 43 space end cell row cell a space space space space x equals 43 end cell row cell negative 2 times b plus 6 times x cubed plus 3 times x squared minus 5 times x minus 2 space space space space x greater than 43 end cell end table close.
Determinar els valors d'a i de b que fan que f sigui contínua a tot real numbers.


Nota: introduiu la solució en forma de llista: {a,b}
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