$\"\"$

The equation of the curve is $\"\"$ .

Tangent line to the curve $\"\"$ at $\"\"$ passes through the point $\"\"$ .

Slope of the tangent line to the curve $\"\"$ at $\"\"$ is $\"\"$ .

Point-slope form of line equation is $\"\"$ .

Substitute $\"\"$ and $\"\"$ in line equation.

$\"\"$ .

Tangent line equation is $\"\"$ .

$\"\"$

Tangent line equation passes through the point $\"\"$ .

$\"\"$

The function $\"\"$ passes through the the point $\"\"$ .

This indicates $\"\"$ .

$\"\"$

$\"\"$ and $\"\"$ .