Unit 6: Integration and Accumulation of Change
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- 2020
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Topic 6.1
6.1 Exploring Accumulations of Change
Objectives in this topic
CHA-4.A—Interpret the meaning of areas associated with the graph of a rate of change in context
- CHA-4.A Interpret the meaning of areas associated with the graph of a rate of change in context.
- CHA-4.A.1 The area of the region between the graph of a rate of change function and the x axis gives the accumulation of change.
- CHA-4.A.2 In some cases, accumulation of change can be evaluated by using geometry.
- CHA-4.A.3 If a rate of change is positive (negative) over an interval, then the accumulated change is positive (negative).
- CHA-4.A.4 The unit for the area of a region defined by rate of change is the unit for the rate of change multiplied by the unit for the independent variable.
- Enduring understanding CHA-4: Definite integrals allow us to solve problems involving the accumulation of change over an interval.
Topic 6.2
6.2 Approximating Areas with Riemann Sums
Objectives in this topic
LIM-5.A—Approximate a definite integral using geometric and numerical methods
- LIM-5.A Approximate a definite integral using geometric and numerical methods.
- LIM-5.A.1 Definite integrals can be approximated for functions that are represented graphically, numerically, analytically, and verbally.
- LIM-5.A.2 Definite integrals can be approximated using a left Riemann sum, a right Riemann sum, a midpoint Riemann sum, or a trapezoidal sum; approximations can be computed using either uniform or nonuniform partitions.
- LIM-5.A.3 Definite integrals can be approximated using numerical methods, with or without technology.
- LIM-5.A.4 Depending on the behavior of a function, it may be possible to determine whether an approximation for a definite integral is an underestimate or overestimate for the value of the definite integral.
- Enduring understanding LIM-5: Definite integrals can be approximated using geometric and numerical methods.
Topic 6.3
6.3 Riemann Sums, Summation Notation, and Definite Integral Notation
Objectives in this topic
LIM-5.B—Interpret the limiting case of the Riemann sum as a definite integral
- LIM-5.B Interpret the limiting case of the Riemann sum as a definite integral.
- LIM-5.B.1 The limit of an approximating Riemann sum can be interpreted as a definite integral.
- LIM-5.B.2 A Riemann sum, which requires a partition of an interval I, is the sum of products, each of which is the value of the function at a point in a subinterval multiplied by the length of that subinterval of the partition.
- Enduring understanding LIM-5: Definite integrals can be approximated using geometric and numerical methods.
LIM-5.C—Represent the limiting case of the Riemann sum as a definite integral
- LIM-5.C Represent the limiting case of the Riemann sum as a definite integral.
- LIM-5.C.1 The definite integral of a continuous function f over the interval [a, b], denoted by ∫ₐᵇ f(x)dx, is the limit of Riemann sums as the widths of the subintervals approach 0. That is, ∫ₐᵇ f(x)dx = lim(max Δxᵢ→0) Σ(i=1 to n) f(xᵢ*)Δxᵢ, where n is the number of subintervals, Δxᵢ is the width of the ith subinterval, and xᵢ* is a value in the ith subinterval.
- LIM-5.C.2 A definite integral can be translated into the limit of a related Riemann sum, and the limit of a Riemann sum can be written as a definite integral.
- Enduring understanding LIM-5: Definite integrals can be approximated using geometric and numerical methods.
Topic 6.4
6.4 The Fundamental Theorem of Calculus and Accumulation Functions
Objectives in this topic
FUN-5.A—Represent accumulation functions using definite integrals
- FUN-5.A Represent accumulation functions using definite integrals.
- FUN-5.A.1 The definite integral can be used to define new functions.
- FUN-5.A.2 If f is a continuous function on an interval containing a, then (d/dx)(∫ₐˣ f(t)dt) = f(x), where x is in the interval.
- Enduring understanding FUN-5: The Fundamental Theorem of Calculus connects differentiation and integration.
Topic 6.5
6.5 Interpreting the Behavior of Accumulation Functions Involving Area
Objectives in this topic
FUN-5.A—Represent accumulation functions using definite integrals—Topic 6.5
- FUN-5.A Represent accumulation functions using definite integrals.
- FUN-5.A.3 Graphical, numerical, analytical, and verbal representations of a function f provide information about the function g defined as g(x) = ∫ₐˣ f(t)dt.
- Enduring understanding FUN-5: The Fundamental Theorem of Calculus connects differentiation and integration.
Topic 6.6
6.6 Applying Properties of Definite Integrals
Objectives in this topic
FUN-6.A—Calculate a definite integral using areas and properties of definite integrals
- FUN-6.A Calculate a definite integral using areas and properties of definite integrals.
- FUN-6.A.1 In some cases, a definite integral can be evaluated by using geometry and the connection between the definite integral and area.
- FUN-6.A.2 Properties of definite integrals include the integral of a constant times a function, the integral of the sum of two functions, reversal of limits of integration, and the integral of a function over adjacent intervals.
- FUN-6.A.3 The definition of the definite integral may be extended to functions with removable or jump discontinuities.
- Enduring understanding FUN-6: Recognizing opportunities to apply knowledge of geometry and mathematical rules can simplify integration.
Topic 6.7
6.7 The Fundamental Theorem of Calculus and Definite Integrals
Objectives in this topic
FUN-6.B—Evaluate definite integrals analytically using the Fundamental Theorem of Calculus
- FUN-6.B Evaluate definite integrals analytically using the Fundamental Theorem of Calculus.
- FUN-6.B.1 An antiderivative of a function f is a function g whose derivative is f.
- FUN-6.B.2 If a function f is continuous on an interval containing a, the function defined by F(x) = ∫ₐˣ f(t)dt is an antiderivative of f for x in the interval.
- FUN-6.B.3 If f is continuous on the interval [a, b] and F is an antiderivative of f, then ∫ₐᵇ f(x)dx = F(b) − F(a).
- Enduring understanding FUN-6: Recognizing opportunities to apply knowledge of geometry and mathematical rules can simplify integration.
Topic 6.8
6.8 Finding Antiderivatives and Indefinite Integrals: Basic Rules and Notation
Objectives in this topic
FUN-6.C—Determine antiderivatives of functions and indefinite integrals, using knowledge of derivatives
- FUN-6.C Determine antiderivatives of functions and indefinite integrals, using knowledge of derivatives.
- FUN-6.C.1 ∫ f(x)dx is an indefinite integral of the function f and can be expressed as ∫ f(x)dx = F(x) + C, where F′(x) = f(x) and C is any constant.
- FUN-6.C.2 Differentiation rules provide the foundation for finding antiderivatives.
- FUN-6.C.3 Many functions do not have closed-form antiderivatives.
- Enduring understanding FUN-6: Recognizing opportunities to apply knowledge of geometry and mathematical rules can simplify integration.
Topic 6.9
6.9 Integrating Using Substitution
Objectives in this topic
FUN-6.D—For integrands requiring substitution or rearrangements into equivalent forms: (a) Determine indefinite integrals. (b) Evaluate…
- FUN-6.D For integrands requiring substitution or rearrangements into equivalent forms: (a) Determine indefinite integrals. (b) Evaluate definite integrals.
- FUN-6.D.1 Substitution of variables is a technique for finding antiderivatives.
- FUN-6.D.2 For a definite integral, substitution of variables requires corresponding changes to the limits of integration.
- Enduring understanding FUN-6: Recognizing opportunities to apply knowledge of geometry and mathematical rules can simplify integration.
Topic 6.10
6.10 Integrating Functions Using Long Division and Completing the Square
Objectives in this topic
FUN-6.D—For integrands requiring substitution or rearrangements into equivalent forms: (a) Determine indefinite integrals. (b)…—Topic 6.10
- FUN-6.D For integrands requiring substitution or rearrangements into equivalent forms: (a) Determine indefinite integrals. (b) Evaluate definite integrals.
- FUN-6.D.3 Techniques for finding antiderivatives include rearrangements into equivalent forms, such as long division and completing the square.
- Enduring understanding FUN-6: Recognizing opportunities to apply knowledge of geometry and mathematical rules can simplify integration.
Topic 6.14
6.14 Selecting Techniques for Antidifferentiation
Objectives in this topic
6.14—Selecting Techniques for Antidifferentiation—Topic 6.14
- 6.14 This topic is intended to focus on the skill of selecting an appropriate procedure for antidifferentiation. Students should be given opportunities to practice when and how to apply all learning objectives relating to antidifferentiation.