1. Thursday, November 9th
“Those who have found real happiness are those who have sought and found how to serve.”
Patricia McCann (my mom )
Let’s do some implicit differentiation!
Questions and scoring of 3.7

2. 3.8 Implicit Differentiation
Niagara Falls, NY & Canada
Photo by Vickie Kelly, 2003

3. 𝐿𝑒𝑡 𝑦= 𝑥 2 −3𝑥. 𝐹𝑖𝑛𝑑 𝑑𝑦 𝑑𝑥 .
𝐿𝑒𝑡 𝑦 2 = 𝑥 2 −3𝑥. 𝐹𝑖𝑛𝑑 𝑑𝑦 𝑑𝑥 .
𝐿𝑒𝑡 𝑥 2 −3𝑥−𝑦 2 =0. 𝐹𝑖𝑛𝑑 𝑑𝑦 𝑑𝑥 .
𝐿𝑒𝑡 2𝑦= 𝑥 2 −3𝑥. 𝐹𝑖𝑛𝑑 𝑑𝑦 𝑑𝑥 .

4. Find the equation of the line tangent to the circle at the point where x = 0.7.
Differentiate both sides w.r.t. x
Solve for

5. 3.7 Scoring 13
Derivative 17 29 33 35 39 45 59 73
Second derivative 84
a. 36; b c. 58