find an equation of the tangent line to y=f(x) at x=1?

Answer 1

The equation is of the form y=ax+b

a=f'(x)

Now, to find b take y=f(1) x=1

f(1)=a+b

f(1)=f'(1)+b

b=f(1)-f'(1)

Answer 2

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