Which raster function should be used?

An ArcGIS analyst is working with a mosaic dataset created from Landsat imagery. The images are displayed in the mosaic dataset using a 7,4,3 band combination (Short-wave Infrared 2, Red, Green). The analyst needs to use the mosaic dataset to determine relative biomass in the area of interest.

Which raster function should be used?
A . NDVI
B . Identify
C . Spectral Conversion
D . Zonal Remap

Answer: A

Explanation:

Reference: http://highcarbonstock.org/wp-content/uploads/2015/04/HCS-Approach-Toolkit-Ch3-GISanalysis.pdf