1. How can one use the derivative to find the location of any horizontal tangent lines? How can one use the derivative to write an equation of a tangent line at some x-value? Is there a "less messy" way to determine this derivative other than using the quotient and product rules?

12. Exponential Functions & Logarithmic Functions

16. How can one use the derivative to find the location of any horizontal tangent lines? How can one use the derivative to write an equation of a tangent line at some x-value? Is there a "less messy" way to determine this derivative other than using the quotient and product rules?

20. Exponential Functions & Logarithmic Functions