F&C: Functions vocab

What is a letter used to represent an unknown in a math problem?

• Variable
• Expression
• Equation
• Constant

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What is the name of the information that is entered to start a process?

• data
• result
• output
• input

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What is the name of the steps that transform input into output?

• Tasks
• Storage

• Processes
• Functions

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What is the domain of a function?

• The domain of a function is the set of all possible input values for which the function is defined.
• The domain of a function is the set of all possible output values.
• The domain of a function is the range of values that the function can produce.
• The domain of a function is the graphical representation of the function.

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What is the range of a function?

• The set of all possible input values of a function.
• The set of all possible output values of a function.
• The difference between the highest and lowest output values.
• The average of all output values of a function.

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What is an expression in math?

• An expression is a type of equation that always equals zero.
• A mathematical expression is only a single number.
• A mathematical expression is a combination of numbers, variables, and operators that represents a value.
• Expressions can only contain letters and no numbers.

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What is a function in math?

• A function is only defined for whole numbers.
• A function can have multiple outputs for a single input.
• A function is a random collection of numbers.
• A function is a relation that assigns one output for each input.

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What is an ordered pair?

• An ordered pair is a pair of elements (b, a) where the order does not matter.
• An ordered pair is a pair of elements (x, y) where the order matters.

• An ordered pair is a single element (a).
• An ordered pair is a collection of three elements (a, b, c).

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Which of the following is an example of a math function?

• h(x) = sin(x) + cos(x)
• f(x) = x^2
• k(x) = 1/x
• g(x) = 3x + 5

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Which statement about functions IS NOT true.

• The input of a function is the domain.

• The output of a function is the range.

• Functions can have more than one output for each number inputed.

• Functions are named f(x).

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