1. What is a cutoff frequency? A. The frequency at which a device stops operating B. The threshold between good and poor

[answerhappygod]

1. What is a cutoff frequency?
A. The frequency at which a device stops operating
B. The threshold between good and poor frequencies
C. The value at which a filter 'takes effect' and begins toattenuate frequencies
D. A frequency either above or below a circuit's poweroutput
E. The frequency at which a device can no longer receive a goodconnection
2. If we want to filter out noise at 120Hz and keep a signal at10Hz, what kind of filter would be the best choice to use?
A. Low-pass filter
B. High-pass filter
C. Band-pass filter
D. Band-stop filter
3. Instead of using MATLAB's built-in filters, we'll be usingfilter1()(https://www.mathworks.com/matlabcentral ... 34-filter1).According to the overview, why would we want to use filter1()?