4x+A A=70 Q2 (a) Given the function, f(x) = ' (i) Calculate the first derivative of the function by 2-point forward difference and 2-point backward difference. Use point x = 4 and h = 0.01. (ii) By...

Extracted text: 4x+A A=70 Q2 (a) Given the function, f(x) = ' (i) Calculate the first derivative of the function by 2-point forward difference and 2-point backward difference. Use point x = 4 and h = 0.01. (ii) By using 3-point central difference formula, evaluate f"(4) using points x = 3.6, x = 4 and x = 4.4