MCQOPTIONS
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				| 1. | 
                                    Consider the following library functions 1. EXP (i.e., ex)2. ARCTAN (i.e. tan‾¹ x)3. SQRT (i.e., √x)4. AES (i.e. |x|) Which of the above are allowed in Pascal? | 
                            
| A. | All | 
| B. | 1 and 3 only | 
| C. | 1, 3, 4 only | 
| D. | 1, 2 and 3 only | 
| Answer» B. 1 and 3 only | |