Module 4 NG Flashcard - practice

Front

What is a function?

Back

A function is a relation where each input has exactly one output.

Tags

CCSS.8.F.A.1

Front

Does the following represent a function? (Example: {(1,2), (1,3)})

Back

No; At least one input has more than one output.

Tags

CCSS.8.F.A.1

Front

What is the RANGE of a graph?

Back

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

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Front

What does the notation -3 ≤ y < 1 mean?

Back

It means y can take any value from -3 to just below 1, including -3 but not 1.

Front

How do you find the maximum height of a graph?

Back

The maximum height is the highest point on the graph, often found at the vertex of a parabola.

Tags

CCSS.HSF-IF.C.7A

Front

Evaluate the function h(x) = 3x^2 - 2x + 8 at x = 2. What is h(2)?

Back

h(2) = 16.

Tags

CCSS.HSF.IF.A.2

Front

What is the difference between domain and range?

Back

Domain is the set of all possible input values (x-values), while range is the set of all possible output values (y-values).

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What does it mean if a function is not defined for certain x-values?

Back

It means that for those x-values, there is no corresponding y-value in the function.

Tags

CCSS.HSA-SSE.A.1A

Front

What is a quadratic function?

Back

A quadratic function is a polynomial function of degree 2, typically in the form f(x) = ax^2 + bx + c.

Front

What is the vertex of a parabola?

Back

The vertex is the highest or lowest point of the parabola, depending on its orientation.