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CHAPTER 2 FUNCTIONS ((2F Rational functions (reciprocal functions, shape:…
CHAPTER 2 FUNCTIONS
2F Rational functions
reciprocal functions
shape: rectangular hyperbola
behavior of the function as it approaches the asymptoes
asympotes
2C Domain and range
format
number line graph
2E Sign diagrams
single factor → the sign alternate
squared factor → the sign do not change
2A Relations and functions
domain & range
Geometric / Vertical test
whether it cuts the graph no more than once
2G Inverse functions
self-iinverse function
finding the inverse
coordinate geometry and gradient
variable interchange
2D Composite functions
(f o g)(x)=f(g(x))
2B Functions notation
y=f(x) → read as "f of x"
