VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])
=VLOOKUP(1004,B5:F9,4,FALSE)
This function is used to search for the value of 1004 in the range B5:F9, and return the value in the fourth column of the row in which the value 1004 is found. In this case, the value returned is "Sue Martin".
=VLOOKUP(H3,B4:E13,2,FALSE)
This function is used to search for the value of H3 in the range B4:E13, and return the value in the second column of the row in which the value H3 is found. In this case, the value returned is "First Name".
=VLOOKUP(H3,B4:E13,3,FALSE)
This function is used to search for the value of H3 in the range B4:E13, and return the value in the third column of the row in which the value H3 is found. In this case, the value returned is "Last Name".
The VLOOKUP function searches for items within tables and ranges by using a lookup value and then returning the exact or approximate match found.