Texas Hs Algebra 1 Question of the Day

Daily challenge for Texas Hs Algebra 1. Test yourself and track progress.

Four relations are described. Relation A: Table with $x$ values 1, 1, 2 and $y$ values 5, 7, 9. Relation B: Graph is a circle on the coordinate plane. Relation C: Relation from month to number of days; February can map to 28 or 29. Relation D: $\{(0,1),(1,1),(2,1)\}$. Which relation is a function?

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