Q$3)(28$ pts$)$ Solve the following questions for the given signal $x(t)$

a$.$ Draw the signal $y_1(t)=-2x(-4t+6)$

b$.$ Calculate the integral ${\displaystyle \underset{0}{\overset{10}{}}}x()d$

c$.$ Obtain the function of $x(t)$ in terms of the unit step function $u(t)$ and$/$or the unit ramp function $r(t).$

d$.$ Draw the signal $y_2(t)=\frac{d}{dt}x(t)$