Ответ:
h= 8t − 5t²=
= -5t²+8t=
= -5(t²+2t)=
= -5((t²+2*t*2+5,76)-5,76) =
= -5(t+2)+28,8
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Ответ:
h= 8t − 5t²=
= -5t²+8t=
= -5(t²+2t)=
= -5((t²+2*t*2+5,76)-5,76) =
= -5(t+2)+28,8