OBJECTIVE: SWBAT DEFINE, EXPAND, AND CREATE RELATIONS THAT ARE FUNCTIONS AND NOT FUNCTIONS
Today we learned about function notation and how to use it. Function notation is f(x)=y and is read as "f of x". For example, y=2x+1 can also be written as f(x)=2x+1. Examples of how to solve problems for function notation is shown below. The domain cannot contain values for which the range is undefined (0).
EXAMPLE:
f(x)=4x²-2x+5 f(4)
=4(4)²-2(4)+5
=4(16)-2(4)+5
=64-8+5
=56+5
=61
Today we learned about function notation and how to use it. Function notation is f(x)=y and is read as "f of x". For example, y=2x+1 can also be written as f(x)=2x+1. Examples of how to solve problems for function notation is shown below. The domain cannot contain values for which the range is undefined (0).
EXAMPLE:
f(x)=4x²-2x+5 f(4)
=4(4)²-2(4)+5
=4(16)-2(4)+5
=64-8+5
=56+5
=61
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