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Ninth Grade (Grade 9) Functions and Relations Questions

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Grade 9 Functions and Relations
Grade 9 Functions and Relations 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 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 output of a function.
  1. Independent Variable
  2. Function
  3. Dependent Variable
Grade 9 Functions and Relations CCSS: HSF-IF.A.2
Given f(x) = x + 1, find f(2r).
  1. 3r
  2. 3rx + 1
  3. 2rx
  4. 2r + 1
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 CCSS: HSF-IF.A.2
Grade 9 Functions and Relations
The input of a function.
  1. Independent Variable
  2. Dependent Variable
  3. Function
Grade 9 Functions and Relations 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 and Relations
Grade 9 Functions and Relations CCSS: HSF-IF.A.1
Grade 9 Functions and Relations CCSS: HSF-IF.A.2
Grade 9 Functions and Relations CCSS: HSF-LE.A.1a
Which describes a function that has a constant factor per interval?
  1. Linear
  2. Exponential
  3. Both a and b
  4. None of the above
Grade 9 Functions and Relations
Grade 9 Functions and Relations CCSS: HSF-BF.A.1, HSF-BF.A.1a
The tree in Damien's backyard is 52 feet tall. It grows 0.6 feet per year. Write a function that represents this situation.
  1. [math]f(t) = 52t + 0.6[/math]
  2. [math]f(t) = 52 + 0.6t[/math]
  3. [math]f(t) = 52 + 9t[/math]
  4. [math]f(t) = 52t + 9[/math]
Grade 9 Functions and Relations
The y-value is also known as, or related to, which of the following?
  1. Range
  2. Input
  3. Domain
  4. Independent Variable
  5. Output
  6. Dependent Variable
  7. A, E, and F
  8. B, C, and D
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