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Functions

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  The following is the graph of the equation y = x^2, in which y is a function of x..

  Which of these describes the range of the function?

  
  

  

  

  

  

  
  
  

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  Which of the following could be used to determine P, the perimeter of the triangle shown?

  
  

  P = 6y + 4

  P = 5y − 4

  P = 6y − 4

  P = 5y + 4

  
  
  

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  Karen rented a car for the weekend in order to take her grandmother to visit relatives. The charge was a fixed rate of $10.00 plus $0.30 per mile. If Karen wants to spend no more than $100.00 to rent the car, what is the GREATEST number of miles she can drive?

  
  

  3 miles

  10 miles

  30 miles

  300 miles

  
  
  

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  At Gulfport Electronics, Randy earns a monthly salary of $1500 plus a 5%
  commission of t, his total monthly sales. If his March earnings total $2500,
  which of these equations could be used to determine his total monthly sales
  for March?

  
  

  0.05t = 2500

  0.05t = 4000

  t + 1500 = 0.05(2500)

  1500 + 0.05t = 2500

  
  
  

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  The exponential function shown describes the growth of a certain plant cell in t hours.How many plant cells are there after 3/4 hours?

  
  

  12

  18

  24

  36

  
  
  

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  The pairs of numbers shown show a linear pattern. 

  Which of these could represent the nth term of the pattern?

  nth term of the pattern?

  
  

  2n + 5

  n – 6

  5n – 3

  5n + 2

  
  
  

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