Respuesta :

LammettHash

Use the point-slope formula.

The tangent line passes through the same point as the curve, (1, 4).

From part(2), you know its slope is 2.

Then the equation of the tangent is

[tex]y - 4 = 2 (x - 1) \implies \boxed{y = 2x + 2}[/tex]

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