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- Derivative as slope of curveGet 3 of 4 questions to level up!
- Derivative & the direction of a functionGet 3 of 4 questions to level up!

- Secant lines & average rate of changeGet 3 of 4 questions to level up!
- Estimate derivativesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

- Secant lines & average rate of change with arbitrary pointsGet 3 of 4 questions to level up!
- Secant lines & average rate of change with arbitrary points (with simplification)Get 3 of 4 questions to level up!

- Derivative as a limitGet 3 of 4 questions to level up!

- Differentiability at a point: graphicalGet 3 of 4 questions to level up!
- Differentiability at a point: algebraicGet 3 of 4 questions to level up!

- The derivative & tangent line equationsGet 3 of 4 questions to level up!
- Approximation with local linearityGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 560 Mastery points

Up next for you:#### Unit test

Level up on all the skills in this unit and collect up to 1100 Mastery points!