@ 1003W23a5.pdf x + G a 1 0H Q Q lee I CifUserS/billy/Downloads/i003WZ3a6.pdf + {a A\" Read aloud Add text V Draw v 3 1. Let f(:r) : F. (a) (2 marks) Use the denition of derivative as limit to calculate f'(:n). (b) 2. Let r): 7' (a) (b) (b) (2 marks) Use derivative rules to verify your result in part (a). Don't just write down the result. Explain which rules you are using in each step. 1 + r Cl: d. 3 (2 marks) Use the derivative rules to calculate f'(1).D0n't just write down the result. Explain which rules you are using in each step. (2 marks) Find all values of 1', if any, for which the tangent line to the graph of 1 = f (1') is parallel to the line 3; = 33\