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Grade 8 · F
Compare Properties of Functions in Different Representations
Functions can be represented as equations, tables, graphs, or descriptions. Their properties (slope, y-intercept) can be read from any form.
Grade 8Common Core 8.F.A.2FVerified correct ✓
Worked examples
Function A is given by the equation: y = 2x + 2. Function B is given by the table: x=3, y=4; x=4, y=7; x=6, y=13. What is the greater rate of change (slope) between the two functions? Give the value of the larger slope. Answer: 3
Function A is given by the equation: y = 4x - 2. Function B is given by the table: x=4, y=16; x=5, y=19; x=7, y=25. What is the greater rate of change (slope) between the two functions? Give the value of the larger slope. Answer: 4
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