Disclaimer: The material in the videos below comes mainly from outside City Tech. The presentation in these videos may differ from the one given in your class. Please consult with your instructor to confirm whether a particular approach is acceptable in your class.
- $\rhd$ Compute the difference quotient (5:42) Compute the difference quotient for $f(x)=-2x^2+4x+1$
- $\rhd$ How to Compute the Difference Quotient (3:27) Difference quotient $\frac{f(x+h)-f(x)}{h}$ for $f(x)=x^2+4x-7$
- $\rhd$ Difference Quotient (13:37) Difference quotient $\frac{f(x+h)-f(x)}{h}$ for $f(x)=7x$, $f(x)=5x+4$, $f(x)=x^2$, $f(x)=\sqrt{x}$, $f(x)=\frac 1 x$, $f(x)=3x^2-4x+5$