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14. DETAILS MY NOTES Suppose a call center projects the number of calls per hour to increase based on the function f ( x) = 2(x + 3)2 Using the definition of the derivative, f'(x) is equal to 4h + 2h2+ 2hx h lim 12h + 2h2+ 4hx h - 0 O lim 12h + 2h-+ 4hx h - 0 h O lim 4h + 2h-+ 2hx h - 0 h 12h + 2h2+ 4hx h O None of the other answers15. DETAILS MY NOTES ASK YOUR TEACHER Interest. Suppose the manager of a bank provides a new formula to calculate interest for merging two loans together. Suppose there are two loans with one interest rate at 4% and a second loan at 3%. The manager writes the first part of the formula for the new interest rate as e(4|n(3) + 3In(4)) Which of the following is equivalent to the manager's expression? 0 o O 2592 o e31+e54 O 5134 O 145