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Questions and Answers
Which of the following statements is true about functions in algebra for 9th grade students?
Which of the following statements is true about functions in algebra for 9th grade students?
- Functions can only take on integer values
- Functions can be represented by graphs or equations (correct)
- Functions can only be used in algebra and not in other areas of math
- Functions can only have one input and one output
What is the difference between a function and a relation in algebra for 9th grade students?
What is the difference between a function and a relation in algebra for 9th grade students?
- A relation can only have one input and one output, while a function can have multiple inputs and outputs
- A relation can only be represented by an equation, while a function can only be represented by a graph
- A function can only have one input and one output, while a relation can have multiple inputs and outputs (correct)
- A function and a relation are the same thing
Which of the following is an example of a function in algebra for 9th grade students?
Which of the following is an example of a function in algebra for 9th grade students?
- x^2 + y^2 = 1
- y = x^2 + 1 (correct)
- y = |x|
- y = 2x + 3 and y = -2x + 3
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