Derivative at a Point Using Difference Quotient

[@qohq-jr]

this is the only source of information I have been able to find where I could make a difference quotient based on two points rather than a function, so thank you very much, sire.

[@MariosMathTutoring]

You’re welcome!

[@cecechanelle]

Thank you, thank you, thank you!

[@MariosMathTutoring]

+Cecile Ngo your welcome!