fx-gx-understanding-function-notation

Interactive video lesson plan for: f(x) g(x) Understanding Function Notation

Activity overview:

Function notation is a fancy way of saying substitution.
For example, if f(x) "f of x" = 2x + 5, then f(3) = 11 because 2(3) + 5 = 11. This shorthand is used to distinguish different Y values like R(x) = Revenue, C(x) = Cost and P(x) = Profit) in Finance where x is the number of units. In Physics, d(t) = Distance, v(t) = Velocity and a(t) = Acceleration where t is time.
Understanding function notation is essential (and easy)! It has been added as a high school Math topic most likely because a calculator does not help if you do not know the notation.

Tagged under: Function Notation,substitution

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