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what is your question?
R(t)=85 t-2 t**2; t=4
2 answers
Holy FORTRAN, Batman!
R(4) = 85*4 - 2*4^2
= 340 - 32
= 308
R(4) = 85*4 - 2*4^2
= 340 - 32
= 308
2 answers