A field engineer uses the linear function $f(x) = -2x - 4$ to model the depth of a drill bit relative to a specific geological marker. Match each component of this linear model with its correct value or graphical representation based on the slope-intercept form.

A technical supervisor is training a new employee to graph the linear function $f(x) = -2x - 4$, which represents the steady decrease in a machine's efficiency over time. Arrange the following steps in the correct order to graph this function by identifying its slope and $y$-intercept.

A logistics coordinator uses the linear function $f(x) = -2x - 4$ to model the elevation of a cargo lift relative to a safety marker on the main floor. According to the slope-intercept form $f(x) = mx + b$, what is the $y$-intercept ($b$) of this function?

An operations analyst uses the linear function $f(x) = -2x - 4$ to model the steady depreciation of a piece of factory equipment over time. According to the slope-intercept form $f(x) = mx + b$, the slope ($m$) of this function is ____.

A quality control technician uses the linear function $f(x) = -2x - 4$ to graph the calibration drift of a sensor over time. Based on the slope-intercept form, the technician should identify the slope of this function as $-4$.