F) 1. Find square of 4. 2. Find the square root of both - 3 and +3. a. Use the sqrt function. b. Use the nthroot function. (You should get an error statement for -3.) c. Raise 3 and +3 to the 12 power. How do the results vary? 3. Create a vector x from -9 to 12 with an increment of 3. a. Find the result of x divided by 2. b. Find the remainder of x divided by 2. 4. Using the vector from Exercise 3, find e*. 5. Using the vector from Exercise 3: a. Find In(x) (the natural logarithm of x). b. Find log10 (x) (the common logarithm of x). Explain your results. 6. Use the sign function to determine which of the elements in vector x are positive