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Ninth Grade (Grade 9) Functions and Relations Questions

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Grade 9 Functions and Relations CCSS: HSF-IF.A.1
What is the domain of the set of ordered pairs?
(8, -13); ( 0, -5) ; (4, -9); (-3,2)
  1. (-3, 0, 4, 8)
  2. (-3, -2)
  3. (-2, -5, -9, -13)
  4. (-3, 8)
Grade 9 Functions and Relations CCSS: HSF-LE.A.2
What is the equation of the linear function pictured below? Assume that the horizontal axis represents x and the vertical axis f(x).
Graph - Linear Function y=1/2x
  1. f(x)=12x
  2. f(x)=2x
  3. f(x)=x
  4. f(x)=12x+1
Grade 9 Functions and Relations CCSS: HSF-LE.A.1, HSF-LE.A.1a
A function which has a constant difference per interval is
  1. linear.
  2. exponential.
  3. logarithmic.
  4. none of the above.
Grade 9 Functions and Relations CCSS: HSF-LE.A.2
What is the equation of the linear function in the graph? Assume the horizontal axis represents x and the vertical axis f(x).
Graph - Linear Function y=-2x
  1. f(x)=-x
  2. f(x)=-2x
  3. f(x)=-12x
  4. f(x)=12x
Grade 9 Functions and Relations CCSS: HSF-IF.B.5
Choose a reasonable domain for the following situation.
roast beef sandwiches for n people
  1. set of whole numbers
  2. set of integers
  3. set of positive real numbers
  4. set of real numbers
Grade 9 Functions and Relations
Which of the following IS NOT a relation?
  1. {(2, 3), (-1, 2), (1, 2), (2, 9)}
  2. {(-10, 10), (-1, 1), (1, 0), (2, -2)}
  3. {(9, 3), (1, -1), (1, 1), (4, 2)}
  4. All of the above are relations.
  5. None of the above are relations.
Grade 9 Functions and Relations
A function that is represented by the equation f(x)=ax2+bx+c where a, b, and c are constants and a≠0.
  1. Quadratic Function
  2. Linear Equation
  3. Parabola
  4. Vertex
Grade 9 Functions and Relations
When y is written as f(x).
  1. Function Rule
  2. Function Notation
  3. Function Variable
Grade 9 Functions and Relations CCSS: HSF-IF.B.5
Choose a reasonable domain for the following situation.
the distance that a jogger runs in a day
  1. set of whole numbers
  2. set of integers
  3. set of positive real numbers
  4. set of real numbers
Grade 9 Functions and Relations CCSS: HSF-LE.A.1c
Which set of ordered pairs satisfies an exponential function?
  1. {(-2,1),(-8,2), (-32, 3), (-128, 4)}
  2. {(-1,2),(0,10), (1, 50), (2, 250)}
  3. {(1,2),(1,6), (1, 18), (1, 54)}
  4. {(1,2),(2,4), (3, 6), (4, 8)}
Grade 9 Functions and Relations
The set of first coordinates of the ordered pairs.
  1. Domain
  2. Function
  3. Range
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