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Secondary Math I Chapter 6 review

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  • Determine whether the table represents exponential growth, exponential decay, or neither.
    neither
  • Determine whether the table represents exponential growth, exponential decay, or neither.
    exponential decay
  • State if the sequence is arithmetic, geometric, or neither -0.2, -1, -5, -25, -125, ...
    geometric.
  • Find the equation for the nth term. -38, -33, -28, -23, ...
    an=-38+(n-1)5
  • You want to enlarge a sign. The original sign is 12 in wide. You can enlarge the sign by 20% at a time. a)Write a function that represents the width of the sign. b)How wide is the sign after 5 enlargements? c)You want it to be 1800. Find x.
    a) 12(1.2)^x b) 29.86 inches c) 27.48
  • Find the equation for the nth term. -3, 18, -108, 648, ...
    Ask the teacher.
  • You deposit $675 in a savings account that earns 6% interest compounded monthly a) Write a function that represents the balance after t years. b) What is the balance after 3 years?
    a) y=675(1+(.06/12))^12t b) y= 807.76
  • Sketch the graph of each function. Describe the domain and range
    Compare with image.
  • Evaluate the function. h(x) = 5^x; Find h(-2)
    1/25
  • Evaluate the function. k(t) = 3 * 4^t; Find k(0)
    3
  • State if the sequence is arithmetic, geometric, or neither. -3, 3, 9, 15, 21, ...
    arithmetic.