1Ximera tutorial

1.1How to use Ximera

This course is built in Ximera.

1.2How is my work scored?

We explain how your work is scored.

2Understanding functions

2.1Same or different?

Two young mathematicians examine one (or two!) functions.

2.2For each input, exactly one output

We define the concept of a function.

2.3Compositions of functions

We discuss compositions of functions.

2.4Inverses of functions

Here we ‘‘undo’’ functions.

2.5Increasing and Decreasing Nature of Functions

2.6Financial Mathematics

3Review of famous functions

3.1How crazy could it be?

Two young mathematicians think about the plots of functions.

3.2Polynomial functions

Polynomials are some of our favorite functions.

3.3Rational functions

Rational functions are functions defined by fractions of polynomials.

3.4Exponential and logarithmetic functions

Exponential and logarithmic functions illuminated.

4What is a limit?

4.1Stars and functions

Two young mathematicians discuss stars and functions.

4.2What is a limit?

We introduce limits.

5Limit laws

5.1Equal or not?

Here we see a dialogue where students discuss combining limits with arithmetic.

5.2Continuity

Continuity is defined by limits.

5.3The limit laws

We give basic laws for working with limits.

5.4Continuity of piecewise functions

Here we use limits to ensure piecewise functions are continuous.

6(In)determinate forms

6.1Could it be anything?

Two young mathematicians investigate the arithmetic of large and small numbers.

6.2Limits of the form zero over zero

We want to evaluate limits where the Limit Laws do not directly apply.

6.3Limits of the form nonzero over zero

We want to solve limits that have the form nonzero over zero.

7Continuity and Intervals

7.1Why does it work?

Here we see a dialogue where students discuss solving inequalities as they learned in precalculus.

7.2The Intermediate Value Theorem

Here we see a consequence of a function being continuous.

7.3Sign Tables

7.4Solving Inequalities

8Definition of the derivative

8.1Slope of a curve

Two young mathematicians discuss the novel idea of the ‘‘slope of a curve.’’

8.2The definition of the derivative

We compute the instantaneous growth rate by computing the limit of average growth rates.

9Derivatives as functions

9.1Wait for the right moment

Two young mathematicians discuss derivatives as functions.

9.2The derivative as a function

Here we study the derivative of a function, as a function, in its own right.

9.33

We see that if a function is differentiable at a point, then it must be continuous at that point.

10Rules of differentiation

10.1Patterns in derivatives

Two young mathematicians think about ‘‘short cuts’’ for differentiation.

10.2Basic rules of differentiation

We derive the constant rule, power rule, and sum rule.

11Product rule and quotient rule

11.1Derivatives of products are tricky

Two young mathematicians discuss derivatives of products and products of derivatives.

11.2The Product rule and quotient rule

Here we compute derivatives of products and quotients of functions

12Chain rule

12.1A coincidence?

12.2The chain rule

Here we compute derivatives of compositions of functions

13Derivatives of Exponential Functions

13.1Exponential Functions and Derivatives

13.2The derivative of the natural exponential function

We derive the derivative of the natural exponential function.

13.3Derivatives of general exponential functions

We derive the derivatives of general exponential functions using the chain rule.

14Derivative of Logarithmic Functions

14.1We can figure it out

Two young mathematicians discuss the derivative of inverse functions.

14.2Derivatives of inverse exponential functions

We derive the derivatives of inverse exponential functions using implicit differentiation.

14.3The Inverse Function Theorem

We see the theoretical underpinning of finding the derivative of an inverse function at a point.

15Implicit differentiation

15.1Standard form

Two young mathematicians discuss the standard form of a line.

15.2Implicit differentiation

In this section we differentiate equations without expressing them in terms of a single variable.

16Logarithmic differentiation

16.1Multiplication to addition

Two young mathematicians think about derivatives and logarithms.

16.2Logarithmic differentiation

We use logarithms to help us differentiate.

17Higher order derivatives

17.1Higher order derivatives

Here we look at higher order derivatives.

18Linear approximation

18.1Replacing curves with lines

Two young mathematicians discuss linear approximation.

18.2Linear approximation

We use a method called ‘‘linear approximation’’ to estimate the value of a (complicated) function at a given point.

19Maximums and minimums

19.1More coffee

Two young mathematicians witness the perils of drinking too much coffee.

19.2Increasing and Decreasing

19.3Maximums and minimums

We use derivatives to help locate extrema.

20Concavity and the Second Derivative Test

20.1Rates of rates

Two young mathematicians look at graph of a function, its first derivative, and its second derivative.

20.2Concavity

Here we examine what the second derivative tells us about the geometry of functions.

20.3Second derivative test

Here we look at the second derivative test.

21Global Extrema on Closed Intervals

21.1The Extreme Value Theorem

We examine a fact about continuous functions.

21.2Finding Extrema on Closed Intervals

We show a procedure to find global extrema on closed intervals.

22Using limits to detect asymptotes

22.1Zoom out

Two young mathematicians discuss what curves look like when one ‘‘zooms out.’’

22.2Vertical asymptotes

We explore functions that ‘‘shoot to infinity’’ at certain points in their domain.

22.3Horizontal asymptotes

We explore functions that behave like horizontal lines as the input grows without bound.

23Concepts of graphing functions

23.1What’s the graph look like?

Two young mathematicians discuss how to sketch the graphs of functions.

23.2Concepts of graphing functions

We use the language of calculus to describe graphs of functions.

24Computations for graphing functions

24.1Wanted: graphing procedure

Two young mathematicians discuss how to sketch the graphs of functions.

24.2Computations for graphing functions

We will give some general guidelines for sketching the plot of a function.

25Optimization

25.1A mysterious formula

Two young mathematicians discuss optimization from an abstract point of view.

25.2Basic optimization

Now we put our optimization skills to work.

26Applied optimization

26.1Volumes of aluminum cans

Two young mathematicians discuss optimizing aluminum cans.

26.2Applied optimization

Now we put our optimization skills to work.

27Antiderivatives

27.1Jeopardy! Of calculus

Two young mathematicians discuss a ‘Jeopardy!’ version of calculus.

27.2Basic antiderivatives

We introduce antiderivatives.

28Integration with Initial Conditions

28.1Integration With Initial Conditions

29Approximating the area under a curve

29.1What is area?

Two young mathematicians discuss the idea of area.

29.2Approximating area with rectangles

We introduce the basic idea of using rectangles to approximate the area under a curve.

30Definite integrals

30.1Computing areas

Two young mathematicians discuss cutting up areas.

30.2The definite integral

Definite integrals compute signed area.

31First Fundamental Theorem of Calculus

31.1What’s in a calculus problem?

Two young mathematicians discuss what calculus is all about.

31.2The First Fundamental Theorem of Calculus

The rate that accumulated area under a curve grows is described identically by that curve.

32Second Fundamental Theorem of Calculus

32.1A secret of the definite integral

Two young mathematicians discuss what calculus is all about.

32.2The Second Fundamental Theorem of Calculus

The accumulation of a rate is given by the change in the amount.

32.3A tale of three integrals

At this point we have three ‘‘different’’ integrals.

33The idea of substitution

33.1Geometry and substitution

Two students consider substitution geometrically.

33.2The idea of substitution

We learn a new technique, called substitution, to help us solve problems involving integration.

34Working with substitution

34.1Integrals are puzzles!

Two young mathematicians discuss how tricky integrals are puzzles.

34.2Working with substitution

We explore more difficult problems involving substitution.

35Areas between curves

35.1Area between curves

We compute the area of a region between two curves using the definite integral.

36Consumers’ and Producers’ Surplus

36.1Consumers’ and producers’ surplus

37Introduction to differential equations

37.1Modeling the spread of infectious diseases

Two young mathematicians discuss differential equations.

37.2Differential equations

We study equations with that relate functions with their rates.

37.3Separable differential equations

Separable differential equations are those in which the dependent and independent variables can be separated on opposite sides of the equation.

38Functions of several variables

38.1Functions of several variables

We introduce functions that take vectors or points as inputs and output a number.

39Partial derivatives

39.1Partial derivatives

We introduce partial derivatives.

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