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- Unit 1: Basic Functions and Equations
- Unit 2: Polynomial Functions and Equations
- Unit 3: Rational Functions and Equations
- Unit 4: Exponential Functions and Equations
- Unit 5: Logarithmic Functions and Equations
- Unit 6: Conic Sections
- Unit 7: Rotations and Cyclical Functions
- Unit 8: Cyclical Patterns and Periodic Functions
- Unit 9: Trigonometric Equations
- Unit 10: Matrices
- Unit 11: Review
- Unit 12: Fundamentals of Trigonometry

- LESSON 1: Cat Island (Day 1 of 2): Cats canât add but they do multiply!
- LESSON 2: Cat Island (Day 2 of 2): Cats canât add but they do multiply!
- LESSON 3: Graphing Exponential Functions
- LESSON 4: Shifting Exponential Functions
- LESSON 5: Counting the Change: Linear, quadratic, or exponential? (Day 1 of 2)
- LESSON 6: Counting the Change: Linear, quadratic, or exponential? (Day 2 of 2)
- LESSON 7: Sorting out the Change
- LESSON 8: Stretching Exponential Functions (and your mind)
- LESSON 9: Credit Card Investigation: What is interest? (Day 1 of 4)
- LESSON 10: Credit Card Investigation: What is interest? (Day 2 of 4)
- LESSON 11: Credit Cards Investigation: How is interest really calculated? (Day 3 of 4)
- LESSON 12: Credit Card Investigation: A Dastardly Scheme (Day 4 of 4)
- LESSON 13: Exponential Functions Test Review
- LESSON 14: Exponentials Functions Unit Test

Objective

Test: Exponential Functions

Assess students' knowledge of exponential functions.

Students will demonstrate their learning of Exponential Functions in this formal assessment.

Lesson Author

Tiffany Dawdy

Phoenix, AZ

Grade Level

Twelfth grade

Subjects

Math

Precalculus and Calculus

exponential function

Standards

HSN-RN.A.2

Rewrite expressions involving radicals and rational exponents using the properties of exponents.

HSA-SSE.B.3c

Use the properties of exponents to transform expressions for exponential functions. For example the expression 1.15<sup>t</sup> can be rewritten as (1.15<sup>1/12</sup>)<sup>12t</sup> â 1.012<sup>12t</sup> to reveal the approximate equivalent monthly interest rate if the annual rate is 15%.

HSA-CED.A.1

Create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions.

HSF-IF.C.7e

Graph exponential and logarithmic functions, showing intercepts and end behavior, and trigonometric functions, showing period, midline, and amplitude.

HSF-IF.C.8b

Use the properties of exponents to interpret expressions for exponential functions. For example, identify percent rate of change in functions such as y = (1.02)t, y = (0.97)t, y = (1.01)12t, y = (1.2)t/10, and classify them as representing exponential growth or decay.

HSF-BF.B.3

Identify the effect on the graph of replacing f(x) by f(x) + k, k f(x), f(kx), and f(x + k) for specific values of k (both positive and negative); find the value of k given the graphs. Experiment with cases and illustrate an explanation of the effects on the graph using technology. Include recognizing even and odd functions from their graphs and algebraic expressions for them.

HSF-LE.A.1a

Prove that linear functions grow by equal differences over equal intervals, and that exponential functions grow by equal factors over equal intervals.

HSF-LE.A.1b

Recognize situations in which one quantity changes at a constant rate per unit interval relative to another.

HSF-LE.A.1c

Recognize situations in which a quantity grows or decays by a constant percent rate per unit interval relative to another.

50 minutes

Students will spend the entire period taking this formal assessment.

Unit 4 Exam.doc

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