Final answer:
The problematic syntax issues in the given uses of the IF function are missing double quotation marks, incorrect number of arguments, and incorrect nesting of IF functions.
Step-by-step explanation:
The problematic syntax issues in each of the given uses of the IF function are as follows:
- In option A, the values 'Too hot' and 'Just right' are not enclosed in double quotation marks, which is required for textual values.
- In option C, there are three values provided in the value_if_false argument of the IF function, which is incorrect. The IF function should have only two arguments.
- In option D, there is a syntax error in the second IF function. The correct syntax should be 'IF(A4>C5,D4,IF(A4
To summarize, the syntax issues in the given options are: missing double quotation marks, incorrect number of arguments, and incorrect nesting of IF functions.