T.1

Identify Functions

Q3 · Feb–Apr

Decide whether a relation is a function: every input has exactly one output.

Level

Medium

Level

Problems

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@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 8 Math Identify Functions Skill T.1 \cdot Functions \cdot ★★☆ Medium \cdot Quarter 3 Name Date Score / 6 Scan for answers Write function or not a function. Example {(1, 4), (2, 5), (1, 6)} : not a function Think: In a function each input has exactly one output. Here the input 1 has two outputs, 4 and 6. 1 {(- 1, 5), (5, 4), (2, 3), (- 3, 0), (3, 4)} 2 {(1, 3), (- 6, - 6), (- 2, 3), (6, 0), (- 7, 3)} 3 {(0, 3), (- 3, 5), (5, - 9), (- 4, 1), (4, - 4)} 4 {(- 7, - 5), (4, - 4), (- 1, - 4), (4, 8), (5, - 6)} 5 {(2, 5), (- 2, 1), (- 1, 2), (6, - 3), (1, 0)} 6 {(- 3, 5), (2, - 7), (- 5, 1), (- 4, 0), (6, - 2)} Daniel Math Academy \cdot danielmath.com Worksheet # gzp82i5 \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 8 Math Answer Key T.1 Identify Functions \cdot ★★☆ Medium 1 function 2 function 3 function 4 not a function 5 function 6 function Daniel Math Academy \cdot danielmath.com Worksheet # gzp82i5 \cdot Answer Key \cdot Page 2 / 2

T. Functions7 skills