Functions Topic A

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What is a function?

Back

A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.

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What is the domain of a function?

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The domain of a function is the set of all possible input values (x-values) for which the function is defined.

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What is the range of a function?

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The range of a function is the set of all possible output values (y-values) that the function can produce.

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What does it mean for a function to be linear?

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What is the slope of a line?

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The slope of a line is a measure of its steepness, calculated as the change in y divided by the change in x (rise over run).

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How do you find the y-intercept of a linear function?

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The y-intercept is found by setting x = 0 in the function's equation and solving for y.

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What is the vertex of a quadratic function?

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The vertex of a quadratic function is the highest or lowest point on the graph, depending on the direction of the parabola.

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What is the standard form of a quadratic function?

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Front

What is the absolute value function?

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What is a graph of a function?

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A graph of a function is a visual representation of the relationship between the input values (x) and the output values (y).