Question

If an equation of the tangent line to the curve y=f(x) at the point where a = 2 is y=4x-5 find f(2) and f'(2)

Answer 1

 hello : 
at the point where a=2   y = 4(2)-5 =3 (commun the curve and the tangent)
so :f(2) = 3
f'(2) =4 (slope of the tangent )