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Ninth Grade (Grade 9) Functions Questions

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Grade 9 Functions CCSS: 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
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
Multiply. [math]sqrt(33p)sqrt(6p)[/math]
  1. [math]sqrt(198p^2)[/math]
  2. [math]3psqrt22[/math]
  3. [math]3sqrt(22p)[/math]
  4. [math]9p^2sqrt(22)[/math]
Grade 9 Functions CCSS: HSF-LE.A.1a
A function which has a constant factor per interval is
  1. Linear
  2. Exponential
  3. Both
  4. None of the above
Grade 9 Functions 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
Simplify the following expression.
[math]3y^2 - 6y + 2 + 3y^2 + 8y[/math]
  1. [math]8y^2 +2[/math]
  2. [math]6y^2 +2 +14y[/math]
  3. [math]6y^2 + 2 - 14[/math]
  4. [math]6y^2 +2y + 2[/math]
Grade 9 Functions
Simplify the following expression.
[math]-5x - 2( 2x -4) - 5[/math]
  1. [math]-9x + 3[/math]
  2. [math]1x +3[/math]
  3. [math]-9x - 13[/math]
  4. [math]1x -13[/math]
Grade 9 Functions CCSS: HSF-IF.A.1
Find the Domain and Range.

                                                       { (3, 1), (7, 5), (4, 8), (0, 6), (8, 0) }
  1. Domain : { 1, 2, 3, 4, 9 } Range : { 2, 3, 7 }
  2. Domain : { 0, 3, 4, 7, 8 } Range : { 0, 1, 5, 6, 8 }
  3. Domain : { 2, 4, 7, 8 } Range : { 1, 4, 5, 6, 9 }
  4. Domain : { 1, 2, 3, 6, 9 } Range : { 2, 4, 7, 8, 9 }
Grade 9 Functions CCSS: HSF-IF.A.1
Grade 9 Functions 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 CCSS: HSF-IF.A.1
Find the Domain and Range.

                                                      { (0, 2), (9, 3), (3, 7), (6, 3), (7, 3) }
  1. Domain : { 0, 1, 3, 5, 9 } Range : { 1, 2, 3, 4, 8 }
  2. Domain : { 0, 3, 6, 7, 9 } Range : { 2, 3, 7 }
  3. Domain : { 2, 4, 7, 8 } Range : { 1, 4, 5, 6, 9 }
  4. Domain : { 0, 3, 4, 7, 8 } Range : { 0, 1, 5, 6, 8 }
Grade 9 Functions CCSS: HSF-IF.B.5
Choose a reasonable domain for the following situation:
The depth of a submarine
  1. set of negative real numbers
  2. set of integers
  3. set of positive real numbers
  4. set of all real numbers
Grade 9 Functions CCSS: HSF-IF.A.1
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