Hello i need help with my calc homework, thank you!

d) lim sin(2x)- cos- (2x) (use l'Hospital's Rule) (12 pts) X-1/4 e) lim V4-7x -5 (this time, use l' Hospital's Rule) (8 pts) X--3 x+3 /4-7x -5 f) lim (this time, do not use l'Hospital's Rule; just use X--3 x+3 algebraic considerations: multiply by the conjugate expression ...); compare your answers in 2e) and 2f) (10 pts)