Chapter One.

Chapter One.

1. Range and Domain = All out put and inputs

   • 1.7 Getting info. from a graph and linear inequalities.
   • Ex. D: [-3,-2], R: [5,2]
     • set builder notation: Ex. (-1, 2) --> {xI-1<x<2}

2. 1.9 Making and Using Formulas

   • Ex. a^2 -9=0. Ex. PV=nRT Solve for T

3. 1.6 Working with functions (graphs)

   • Table of values: (Absolute value= V graph, Squared= U graph, Cubed= half sideways U

4. 1.5 Function Notation

   • Ex. f(x)=2x+5 solve f(-2)
   • F(x)= -5. Domain= (-infin., infin.) Range= (0, -5)
   • Expressing functions: Ex. Subtract 4, then multiply by 8. ----> 8(x-4)

5. 1.4 Def. of Function.

   • Identifying which mapping represents a function: Every input has to have 1 output. 2 different inputs can share an output.

6. 1.2 visualizing relationships in data.

   • Independent: x-axis, domain, input.
   • Dependent: y-axis, range, output.
   • Finding Domain and Range from a set of numbers: Ex. D= { inputs from least to greatest} , Range= {Outputs from least to greatest}