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I need help simplifying this problem:
If someone could explain how to do this problem, I'd really appreciate it :)
C(t)= -0.3(t-12)^2+40
C(12)= -0.3(12-12)^2+40

Thankssss, ily!


Sagot :

C(t)= -0.3t^2 + 7.2t - 3.2

12c = 40