Worksheets — Set 15

Algebra I · Functions and function notation

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

Warm-up

1. If f(x) = 18x − 17, find f(19) = ___ 2. Domain of f(x) = 1/(x − 18): ___ 3. Identify the y-intercept of the graph sketched: ___

_See printable PDF for diagram._

Written practice

1. If f(x) = 17x − 16, find f(18) = ___ 2. Domain of f(x) = 1/(x − 17): ___ 3. Identify the y-intercept of the graph sketched: ___ 4. Where is f(x) increasing? Interval: ___ 5. Compare f(0) and f(19): ___ 6. What does f(17) mean in context? 7. If f(x) = 20x − 19, find f(21) = ___ 8. Domain of f(x) = 1/(x − 20): ___

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More written practice

1. Compare f(0) and f(22): ___ 2. What does f(20) mean in context? 3. If f(x) = 23x − 22, find f(24) = ___ 4. Domain of f(x) = 1/(x − 23): ___ 5. Compare f(0) and f(25): ___ 6. What does f(23) mean in context?

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Patterns and rules

1. If f(x) = 34x − 33, find f(35) = ___ 2. Domain of f(x) = 1/(x − 34): ___ 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