For given analog signal x() what is the maximum frequency of this signal and what is the Nyquist rate for this signal (choose the minimum one)
x() = 3(300) + 10co(400) - (500)
a. m = 500Hz = 1005Hz
b. m = 250Hz = 505Hz
c. m = 300Hz = 500Hz
d. m = 400Hz = 500Hz
e. m = 300Hz fs = 400Hz