Respuesta :

CodrutRadu
it's C
first of all h is decreasing
so that takes out of the equation answers A and B
than at D 555-65=490 wich make x=1 but it should be 2

instead at C you have 620-2*65=490 wich is ok for x=2
for x=5 we have 620-5*65=620-325=295
and so on

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