Sketch and label each of the following signals
x(t) is defined x(t)= -t+2, 1
1 , 0<=t<=1
0 , t=otherwise
a) δ(2t) and -2δ (-t - 2);
b) -2u(-2t - 1);
c) x(t - 2) δ(t - 2.5);
d) x(t ) [δ(t - 0.5) - δ (t - 1.5)];
e) x(t - 1) u(t - 1) and -x(t)u (-t) ;
f) dx(t)/dt.