In this video lesson we will learn how to evaluate functions using function notation , as well as, how to interpret function notation. We will learn that function notation is a way to name functions to help us differentiate one function from another. We will also use function notation to solve functions for domain and range values. We will graph functions. We will compare functions. Student practice is embedded in the lesson with modeled exemplar solutions.
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00:00 Introduction
00:35 What is Function Notation?
02:33 How to Evaluate a Function07:09
04:31 Student Practice #1
06:19 Using Function Notation
07:09 Student Practice #2
07:51 Student Practice #3
08:30 Find x When Given f(x)
09:53 Student Practice #4
10:57 Graphing Function Notation
11:34 Student Practice #5
12:18 Comparing Functions
Common Core Math Standards
Understand the concept of a function and use function notation.
HS.F.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 f is a function and x is an element of its domain, then f(x) denotes the output of f corresponding to the input x. The graph of f is the graph of the equation y = f(x).
HS.F.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.
HS.F.IF.C.7.A Graph linear and quadratic functions and show intercepts, maxima, and mininum.
HS.F.IF.C.9 Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions).
HS.A.CED.A.2 Create equations in two or more variables to represent relationships between quantities; graph equations on coordinate axes with labels and scales.
