I need help with these, all work even algebra.

DI Find the derivative of the exponentia functions a f(x ) = b f(x ) = ( xx ] + 1 ) e 420 C f ( x ) 2 e"te - x ) 3 fix ) = xe - 4 0* 2 Find an equation of the tangent line to the graph of the function at the given point a y = 2- 2 2 + 2 2 ; (2, 0 ) b y = ( 2 , 7 2 y = le 2 x + 1 ) 3 (0 , 8 ) 3 Find implicitly a - 4 = 0 b 2 e + 2 4 2 - my = 0 xy 2 - J =10