Worksheets — Set 13

Algebra I · Functions and function notation

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

Warm-up

1. If f(x) = 16x − 15, find f(17) = ___ 2. Domain of f(x) = 1/(x − 16): ___ 3. Identify the y-intercept of the graph sketched: ___

_See printable PDF for diagram._

Written practice

1. If f(x) = 15x − 14, find f(16) = ___ 2. Domain of f(x) = 1/(x − 15): ___ 3. Identify the y-intercept of the graph sketched: ___ 4. Where is f(x) increasing? Interval: ___ 5. Compare f(0) and f(17): ___ 6. What does f(15) mean in context? 7. If f(x) = 18x − 17, find f(19) = ___ 8. Domain of f(x) = 1/(x − 18): ___

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More written practice

1. Compare f(0) and f(20): ___ 2. What does f(18) mean in context? 3. If f(x) = 21x − 20, find f(22) = ___ 4. Domain of f(x) = 1/(x − 21): ___ 5. Compare f(0) and f(23): ___ 6. What does f(21) mean in context?

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Patterns and rules

1. If f(x) = 32x − 31, find f(33) = ___ 2. Domain of f(x) = 1/(x − 32): ___ 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