if f(t)=(t^2+4)^3,then f(t^2+1)=?这其实是到简单的数学题,但我不懂这题的意思,上面then后的代数,是要我把它带到前面的函数中去,还是说要我写另外一个函数,带进去后依然与原函数相同

递归二分发求方程解#include using namespace std;double f(double t){return t*t*t-3*t+4;}double b(double a,double b,int n){double t=(a+b)/2;if(n==1||f(t)==0){return t;}if(f(a)*f(t)>x>>y;cin>>c;double s=b(x,y,c);cout 英文日期缩写 这样对?1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th ； 11th 12th 13th 14th 15th 16th 17th1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th ； 11th 12th 13th 14th 15th 16th 17th 18th 19th 20th ； 21st 22nd 23rd 24th 25th 26th 27th 28th 29t 画出下列信号的波形1）f(t)=tu(t); 2)f(t)=t[u(t)-u(t-2)]; 3)f(t)=(t-1)u(t-1); 4)f(t)=sint/t画出图形~ 已知f(t)=3t*t-2t-2/t+3/t*t,证明f(t)=f(1/t) 用解析法求下列二阶微分方程(1) y(t) + 4y(t) + 3y(t) = f (t),f (t) = ε (t)(2) y(t) + 4y(t) + 4y(t) = f '(t) + 3 f (t),f (t) = e−tε (t)注：e-t为e的-t次方其中ε (t)为阶跃函数,即当t0时,ε (t)=1 if f is the function given by f(x)=∫√t^2-t dt,(4→2x)then f'(2)= 若f(t)↔F(jw),求f(t)=(t-2)f(4-2t)的傅里叶变换 f(t)=1/4t(t∧2-3),t属于【-1,3】,求f(t)的最大值与最小值 matlab变量怎么代换小弟才开始用MATLAB不久 有很多不懂的地方,我想用函数表示 信号:%U(t)表示阶跃函数.f(t)=(t-1)*(U(t-1)-U(t-2))+U(t-2)-U(t-3)+(U(t-3)-U(t-4))*(t-2);然后 将f(t) 变为 f(3-2t) 并画出图形.请问 f(t)=t²+3t-1 t=-3/2 f'(0)=2,当t无限趋近于0时,（f(3t)-f(t))/t无限趋近于? 函数式化简3f(t)+2f(-t)=2(t+1)3f(-t)+2f(t)=2(1-t)最终的答案是f(t)=2t+2/5,怎么得来啊? f(x)=x^2+4x+3,t属于R,函数g(t),h(t),分别表示f(x)在[t,t+1]上的最小值和最大值,求g(t),h(t)的表达式分段函数 找出画括号部分发音不同的单词.1;A:sh(or)t.B:f(or)k;C:sh(ir)t;D:h(or)se.2;A:m(a)ke;B:b(a)g;C:pl(a)ne;D:t(a)ble.3;A:(th)at;B:(th)ank;C:clo(th)es;D:(th)ose.4;A:(wh)y;B:(wh)o;C:(wh)ose;D:(wh)ole. Z=f(x,y)=3xy^2+2x,x(t)=-3t^2,y(t)=4t^3+t,求dz/dt, 求问f(t)=t^2-f'(t),怎么求原函数f(t) 已知y'''(t)+4y''(t)+6y'(t)+2y(t)=f''(t)-f(t)用MATLAB如何求频率响应H(jw), f(x)=x^2+4x+3,tR,函数g(t)表示函数f(x)在区间[t,t+1]的最小值,求g(t)的表达式