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Homework 8.1

Last updated over 3 years ago
4 questions
3

Determine if the given expressions represent Exponential Growth or Exponentail Decay and then place them in the correct area.

  • 4(0.99)^x
  • 456(1.531)^x
  • 561(23.02)^x
  • 2(1.01)^x
  • 51(0.456)^x
  • Exponential Growth
  • Exponential Decay
3
Using the given equation, fill in the blanks with the appropriate amounts:

The initial amount is _______
The rate as a decimal is _______
The rate as a percent is _______
The time in years is _______
The final amount (rounded to two decimal places) is _______
3
Write the rate as a percent for each of the given expressions:
y=A(1.25)^x, the rate is: _______
y=A(0.05)^x, the rate is: _______
y=A(1)^x, the rate is: _______
y=A(2)^x, the rate is: _______
y=A(0.567)^x, the rate is: _______
1

The amount of COVID-19 virus increases within the human body at a rate of 45% every week. If you started out with 100 virus bodies within you, how many would you have after 6 months? Round your answer to the nearest whole number.

Use the conversion of 1 month = 4 weeks.