Let A = {-6, -12⁄4, -5⁄8, -√3, 0, ¼, 1, 2π, 3, √12}. List all the elements of A that belong to each set. Rational numbers
Table of contents
- 0. Review of College Algebra4h 45m
- 1. Measuring Angles40m
- 2. Trigonometric Functions on Right Triangles2h 5m
- 3. Unit Circle1h 19m
- 4. Graphing Trigonometric Functions1h 19m
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations1h 41m
- 6. Trigonometric Identities and More Equations2h 34m
- 7. Non-Right Triangles1h 38m
- 8. Vectors2h 25m
- 9. Polar Equations2h 5m
- 10. Parametric Equations1h 6m
- 11. Graphing Complex Numbers1h 7m
0. Review of College Algebra
Functions
Multiple Choice
State the inputs and outputs of the following relation. Is it a function?
{(2,5),(0,2),(2,9)}
A
B
C
D
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Verified step by step guidance1
Identify the given relation: {(2,5), (0,2), (2,9)}.
List the inputs (domain) from the relation: {2, 0}.
List the outputs (range) from the relation: {5, 2, 9}.
Determine if each input is associated with exactly one output. Notice that the input '2' is associated with two different outputs: '5' and '9'.
Conclude that the relation is not a function because an input (2) is associated with more than one output.
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