Algebra: Function Notation

#Algebra #grade9 Use #function #notation, evaluate functions for #inputs in their domains, and interpret statements that use function notation in terms of a context. Based on the #highschool Common Core standard #F-IF.2.

6 Questions by Math_by_Kahoot 08/30/2017 answers

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If ⨍ is a function and ⨍ (a) = b, which statement is a correct description?

a is the input and b is the output. b is the input and a is the output.
Find the function by interpreting the statement below.

3 7 12 12𝒙 − 20
Find the function by interpreting the statement below.

√2 500 2,500 50𝒙^2
Find the function by interpreting the statement below.

−2 2 16 It is undefined.
The table defines a linear function. What is the correct notation for this function?

⨍(𝒙) = −3𝒙 + 13 ⨍(𝒙) = 3𝒙 + 13 ⨍(𝒙) = −6𝒙 + 13 ⨍(𝒙) = −1∕3𝒙 + 13∕3
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