微积分求数量A bacteria populati - 知识问答

微积分求数量A bacteria population starts with 500 bacteria and gro

1个回答

(t)的单位是个数/小时
r(t)=450.269e^1.12567t
对这个解析式在0到3小时做定积分
∫r(t)dt
=∫450.269e^1.12567t dt
=1/1.12567*∫450.269e^1.12567td1.12567t
= 450.269/1.12567*∫de^1.12567t
=11313.259
答案：11313.259+500=11813.259

相关问题