# Functions and Relations Question

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## Grade 9 Functions and Relations CCSS: HSF-LE.A.2

- [math]f(x) = 1/2 x[/math]
- [math]f(x) = 2x [/math]
- [math]f(x) = x[/math]
- [math]f(x) = 1/2x + 1[/math]