Tangent Line Funciton

Open Toe Mules Heels White Open Toe Heels Black Open Toe Block Heels Peep Toe Block Heels Open Toe High Heel Pumps Closed Toe Block Heels Open Toe High Heel Boots Black Mule Heels Open Toe Open Toe Block Heel Booties Burgundy Open Toe Heels Block Heel Open Toe Shoes Platform Block Heels Closed Toe Black Open Toe Ankle Strap Block Heels Close Toe Block Heels Black Open Toe Heels for Women Block Heel Open Toe Sequin Brown Open Toe Heels Open Toe Block Shoe Block Heels for Work Open Toe Open Toe Black Platforms Open Sides Block Heels Metro Open Toe Block Heels Open Toe High Heel Sandals Gold Block Heels Closed Toe White Pointed Toe Block Heels Wittner Open Toe Heels Black Open Toe Block Slant Heels Block Heel Open Toe Slingbacks Open Toe Block Heels Styledfor Women Dress Berry Open Toe Block Heels Peach Pink Colour Block Heels Open On the Nails Open Toe Heels with Jewles Louboutn Block Heel Open Toe Platorm Open Toe Heels Open Toe Glass Block Heels Colombo Square Open Toe Block Heels Pink Covered Toe Block Heel Open Toe Shoes with Block Heal Women's Square Open Toe Block Heel Silver Open-Toed Heels Open Toe Heels Types Black Clear One Inch Open Toe Heels Open Toe Flat Sandals Beige Fabric Mia Block Heel Open Toe Denill Striped Open Toe Block Heels Van Heusen Open Toe Block Heels Open Toe Block Heels Examples Navy Blue Block Heel Open Toe All-Black Classic Heels Open Toe Open Toe Sandal 1 Inch Block Heel