51, If g is a differentiable function, find an expression for the derivative of each of the following functions. to alde (a) y = xg(x) ( b) y = (c) y= g(x) g(x) x31-32 Find an equation of the tangent line to the given curve at the specified point. e to ngery bill of sail Inspnet and to nousups x 2 - 1 ex 31. y x ' t x + 1 ' (1, 0) 32. y = 1 (1, e) n 33-34 Find equations of the tangent line and normal line to the given curve at the specified point. 2x 33. y = 2xet, (0, 0) 34. y x2 + 1' (1, 1)