$\"\"$

The equation is $\"\"$ .

The point is $\"\"$ .

Consider the equation $\"\"$ .

Differentiate on each side with respect to $\"\"$ .

$\"\"$ .

Slope of the line $\"\"$ at $\"\"$ :

$\"\"$ .

Equation of the tangent is $\"\"$ .

$\"\"$

Graph :

(1).Draw the coordinate plane.

(2).Graph the function $\"\"$ .

$\"\"$

Equation of the tangent is $\"\"$ .