A GIS technician wants to use raster functions to quickly visualize optimal positioning for solar...

The Aspect-Slope function combines slope and aspect information from a DEM to help identify ideal orientations and slope conditions for solar panel placement. Since north-facing panels and flatter slopes are required, this function directly provides both variables together for quick visualization.

Curvature, Slope (Option A) would show slope steepness and surface curvature but not directionality (aspect).

Shaded Relief (Option B) is only for visual hillshading and does not provide aspect or slope data.

Therefore, the correct answer is C.

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