Worksheets — Set 6

Algebra I · Functions and function notation

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

Warm-up

1. If f(x) = 9x − 8, find f(10) = ___ 2. Domain of f(x) = 1/(x − 9): ___ 3. Identify the y-intercept of the graph sketched: ___

_See printable PDF for diagram._

Written practice

1. If f(x) = 8x − 7, find f(9) = ___ 2. Domain of f(x) = 1/(x − 8): ___ 3. Identify the y-intercept of the graph sketched: ___ 4. Where is f(x) increasing? Interval: ___ 5. Compare f(0) and f(10): ___ 6. What does f(8) mean in context? 7. If f(x) = 11x − 10, find f(12) = ___ 8. Domain of f(x) = 1/(x − 11): ___

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More written practice

1. Compare f(0) and f(13): ___ 2. What does f(11) mean in context? 3. If f(x) = 14x − 13, find f(15) = ___ 4. Domain of f(x) = 1/(x − 14): ___ 5. Compare f(0) and f(16): ___ 6. What does f(14) mean in context?

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Patterns and rules

1. If f(x) = 25x − 24, find f(26) = ___ 2. Domain of f(x) = 1/(x − 25): ___ 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