well-known raster functions hyperlink corrected

Author: tarunkukreja003

guide/06-imagery-and-raster-analysis/using-raster-analysis.ipynb

@@ -326,7 +326,7 @@
    "source": [
     "## Vegetation analysis\n",
     "\n",
-    "The `band_arithmetic()` tool allows you to perform user-defined map algebra. All you need to do is to specify your own formula. Here is a helpful resource for some [well-known raster functions](http://resources.arcgis.com/en/help/rest/apiref/index.html?israsterfunctions.html)\n",
+    "The `band_arithmetic()` tool allows you to perform user-defined map algebra. All you need to do is to specify your own formula. Here is a helpful resource for some [well-known raster functions](https://developers.arcgis.com/python/api-reference/arcgis.raster.functions.html)\n",
     "\n",
     "The example below creates an information product that uses NDVI. The normalized difference vegetation index (NDVI) is a simple graphical indicator that can be used to analyze remote sensing measurements, typically but not necessarily from a space platform, and assess whether the target being observed contains live green vegetation or not."
    ]
@@ -414,7 +414,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.11"
+   "version": "3.9.16"
   },
   "toc": {
    "base_numbering": 1,