Please help, thank you so much!

What value is the following limit calculating? lim 4th-V4 h h-0 Ofi( 4) for f (at) = ac2 Off(16) for f ( ac) = Vac Ofi(0) forfac) = Vac+ V4 O fi( 4) for f ( ac) = Vac\fDetermine the equation of the tangent line to the curve at point (-1, -6). y=-x3 - 5x-+ 2xdy Determine dr for: -J - - 2 =