Worksheets — Set 4

Algebra I · Functions and function notation

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. If f(x) = 7x − 6, find f(8) = ___ 2. Domain of f(x) = 1/(x − 7): ___ 3. Identify the y-intercept of the graph sketched: ___

_See printable PDF for diagram._

Written practice

1. If f(x) = 6x − 5, find f(7) = ___ 2. Domain of f(x) = 1/(x − 6): ___ 3. Identify the y-intercept of the graph sketched: ___ 4. Where is f(x) increasing? Interval: ___ 5. Compare f(0) and f(8): ___ 6. What does f(6) mean in context? 7. If f(x) = 9x − 8, find f(10) = ___ 8. Domain of f(x) = 1/(x − 9): ___

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More written practice

1. Compare f(0) and f(11): ___ 2. What does f(9) mean in context? 3. If f(x) = 12x − 11, find f(13) = ___ 4. Domain of f(x) = 1/(x − 12): ___ 5. Compare f(0) and f(14): ___ 6. What does f(12) mean in context?

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Patterns and rules

1. If f(x) = 23x − 22, find f(24) = ___ 2. Domain of f(x) = 1/(x − 23): ___ 3. Identify the y-intercept of the graph sketched: ___

_See printable PDF for diagram._

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Parent tip: Sketch graphs from key points