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Math 1314 Sec 1.3
4 cards·by ACCTutor
Function
A function computes exactly one output for each valid input. The inputs is the domain (D). The
outputs is the range (R).
Function Notation
f(3) means plug in 3 for each x in the function.
Representation of Functions
Functions can be represented symbolically, graphically, numerically, and verbally.
Vertical Line Test
If every vertical line intersects a graph at most once, then the graph represents a function.