Question: ( 1 ) Let f ( x ) = x 2 + x + 1 2 x a ) 1 0 p t s Find

(1) Let
f(x)=x2+x+12x
a)10pts Find f'(x) using the definition of the derivative. No marks will be given if the definition is not used.
b)[4 pts] Find an equation of the tangent line to the curve y=f(x) at x=1.
( 1 ) Let f ( x ) = x 2 + x + 1 2 x a ) 1 0 p t s

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