Plot the spectra of the message signals given in (1) via using matlab. that is, describe m1(f), m2(f), m3(f), m4(f), and m5(f). think of the reason if you see any interesting property.

Which of the following graphs represents the function f(x) = 2^x

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?