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Common Core for Mathematics

### Functions Overview

### Interpreting Functions

Understand the concept of a function and use function notation
Interpret functions that arise in applications in terms of the
context
Analyze functions using different representations
### Building Functions

Build a function that models a relationship between two
quantities
Build new functions from existing functions
### Linear, Quadratic, and Exponential Models

Construct and compare linear and exponential models and solve
problems
Interpret expressions for functions in terms of the situation
they model
### Trigonometric Functions

Extend the domain of trigonometric functions using the unit
circle
Model periodic phenomena with trigonometric functions
Prove and apply trigonometric identities

### Common Core Mapping for High School: Functions

### Interpreting Functions

### Building Functions

### Linear, Quadratic, and Exponential Models

### Trigonometric Functions

Common Core for Mathematics

HSF-IF.A.1 Understand that a function from one set (called the
domain) to another set (called the range) assigns to each
element of the domain exactly one element of the range.
If |

HSF-IF.A.2 Use function notation, evaluate functions for inputs in their domains, and interpret statements that use function notation in terms of a context. |

HSF-IF.A.3 Recognize that sequences are functions, sometimes defined
recursively, whose domain is a subset of the
integers. |

HSF-IF.B.4 For a function that models a relationship between two
quantities, interpret key features of graphs and tables in
terms of the quantities, and sketch graphs showing key
features given a verbal description of the
relationship. |

HSF-IF.B.5 Relate the domain of a function to its graph and, where
applicable, to the quantitative relationship it
describes. |

HSF-IF.B.6 Calculate and interpret the average rate of change of a function (presented symbolically or as a table) over a specified interval. Estimate the rate of change from a graph. |

HSF-IF.C.7 Graph functions expressed symbolically and show key features of the graph, by hand in simple cases and using technology for more complicated cases. HSF-IF.C.7a Graph linear and quadratic functions and show intercepts, maxima, and minima. |

HSF-IF.C.7b Graph square root, cube root, and piecewise-defined functions, including step functions and absolute value functions. |

HSF-IF.C.7c Graph polynomial functions, identifying zeros when suitable factorizations are available, and showing end behavior. |

HSF-IF.C.7d (+) Graph rational functions, identifying zeros and asymptotes when suitable factorizations are available, and showing end behavior. |

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.8 Write a function defined by an expression in different but equivalent forms to reveal and explain different properties of the function. HSF-IF.C.8a Use the process of factoring and completing the square in a quadratic function to show zeros, extreme values, and symmetry of the graph, and interpret these in terms of a context. |

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) |

HSF-IF.C.9 Compare properties of two functions each represented in a
different way (algebraically, graphically, numerically in
tables, or by verbal descriptions). |

HSF-BF.A.1 Write a function that describes a relationship between two quantities. HSF-BF.A.1a Determine an explicit expression, a recursive process, or steps for calculation from a context. |

HSF-BF.A.1b Combine standard function types using arithmetic
operations. |

HSF-BF.A.1c (+) Compose functions. |

HSF-BF.A.2 Write arithmetic and geometric sequences both recursively and with an explicit formula, use them to model situations, and translate between the two forms. |

HSF-BF.B.3 Identify the effect on the graph of replacing |

HSF-BF.B.4 Find inverse functions. HSF-BF.B.4a Solve an equation of the form f(x) = c for a simple
function f that has an inverse and write an expression for
the inverse. |

HSF-BF.B.4b (+) Verify by composition that one function is the inverse of another. |

HSF-BF.B.4c (+) Read values of an inverse function from a graph or a table, given that the function has an inverse. |

HSF-BF.B.4d (+) Produce an invertible function from a non-invertible function by restricting the domain. |

HSF-BF.B.5 (+) Understand the inverse relationship between exponents and logarithms and use this relationship to solve problems involving logarithms and exponents. |

HSF-LE.A.1 Distinguish between situations that can be modeled with linear functions and with exponential functions. |

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. |

HSF-LE.A.2 Construct linear and exponential functions, including arithmetic and geometric sequences, given a graph, a description of a relationship, or two input-output pairs (include reading these from a table). |

HSF-LE.A.3 Observe using graphs and tables that a quantity increasing exponentially eventually exceeds a quantity increasing linearly, quadratically, or (more generally) as a polynomial function. |

HSF-LE.A.4 For exponential models, express as a logarithm the
solution to d where a, c,
and d are numbers and the base b is
2, 10, or e; evaluate the logarithm using
technology. |

HSF-LE.B.5 Interpret the parameters in a linear or exponential function in terms of a context. |

HSF-TF.A.1 Understand radian measure of an angle as the length of the arc on the unit circle subtended by the angle. |

HSF-TF.A.2 Explain how the unit circle in the coordinate plane enables the extension of trigonometric functions to all real numbers, interpreted as radian measures of angles traversed counterclockwise around the unit circle. |

HSF-TF.A.3 (+) Use special triangles to determine geometrically the
values of sine, cosine, tangent for π/3, π/4 and π/6, and
use the unit circle to express the values of sine, cosine,
and tangent for |

HSF-TF.A.4 (+) Use the unit circle to explain symmetry (odd and even) and periodicity of trigonometric functions. |

HSF-TF.B.5 Choose trigonometric functions to model periodic phenomena with specified amplitude, frequency, and midline. |

HSF-TF.B.6 (+) Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing allows its inverse to be constructed. |

HSF-TF.B.7 (+) Use inverse functions to solve trigonometric equations that arise in modeling contexts; evaluate the solutions using technology, and interpret them in terms of the context. |

HSF-TF.C.8 Prove the Pythagorean identity sin |

HSF-TF.C.9 (+) Prove the addition and subtraction formulas for sine, cosine, and tangent and use them to solve problems. |

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