Hi,

Q1.

For f(x) = 2x^3 + 5x^2 - 7x -4 find f '(x) using the limit definition of the derivative.

Q2.

Find the derivatives of f(x) = cos(4x) + sin(5x) up to the fourth order, f '(x), f ''(x), f '''(x) and f ''''(x).

Confused on these questions - i know derivatives, but not that advanced,

thanks

Moon