Question 6 Use the first principle to determine f'(x) of the following functions: 6.1 f(x) = x² + cos x. 6.2 f(x)= x² +

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Question 6 Use The First Principle To Determine F X Of The Following Functions 6 1 F X X Cos X 6 2 F X X 1 (42.46 KiB) Viewed 36 times

Question 6 Use the first principle to determine f'(x) of the following functions: 6.1 f(x) = x² + cos x. 6.2 f(x)= x² + 4x - 7. (3) (3) Question 7 Use the appropriate differentiation techniques to determine the f'(x) of the following functions (simplify your answer as far as possible): 7.1 f(x)= (-x³-2x−²+5)(x−4+5x² - x - 9). 7.2 f(x) = (-x+¹)-¹. 7.3 f(x) = (-2x² - x)(-3x³-4x²). (4) (4) (4)