The first choice,
... a. s(t) = ac[1 + μam cos (2πfmt)] cos (2πfct)
has the carrier frequency cos(2πfct) amplitude modulated by the message signal.
The other expressions represent frequency and phase modulation of various kinds.
Answer: 48-39= 9
9 inches
Step-by-step explanation:
I guess your function should be written this way: f(x) = 1.07ˣ , if so then:
This is an exponential function of the form aˣ, since a>0 (a=1.07) the function is growing for all value of x>0 at the rate of 7%
