- $\rhd$ Derivative of exponential functions (5:24) Deriving the formula of the derivative of $a^x$.
- $\rhd$ Derivative of logarithmic functions (4:47) Deriving the formula of the derivative of $\log_ax$.
- $\rhd$ An example (3:39) Find the derivative of $7^{x^2-x}$.
- $\rhd$ An example (4:09) Find the derivative of $\log_4(x^2+x)$.
- * Practice: Derivatives of $a^x$ and $\log_ax$. (4 problems)