The function is .

The line equation is .

Find the slope of the equation .

The slope of the line is perpendicular to the line .

Therefore, the slope of the line is .

The slope of the line is .

Equate the slope of the line is to .

Substitute in .

.

The point is and slope is .

The line equation is

.

.

The tangent line of the function is .

Graph :

Graph the function .

The line equations are and .

The tangent line of the function is .

Graph :

Graph of the function is

The line equations are and .

.

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