Exponential Decay And The Number
10 Questions
| Total Attempts: 257
Questions and Answers
- 1.Which of the following is an exponential function?
- A.
Y=3^2
- B.
Y=3x
- C.
Y=(1/3)^x
- 2.Which of the following is an exponential decay function?
- A.
Y=3^x
- B.
Y=3^(-x)
- 3.3^0 = ?
- A.
3
- B.
0
- C.
1
- 4.
![choose the equation that best describes the graph - ProProfs]( "choose the equation that best describes the graph")
choose the equation that best describes the graph- A.
Y= - (0.25)^x
- B.
Y=(0.25)^x
- C.
Y = (0.5)^x
- 5.If you take 400 mg of ibuprofen and every hour 29% of ibuprofen is broken down in the body, how much ibuprofen is in your body system after 3 hours? Round to whole number (without decimals) without units.
- 6.Make a table for the equation y = (2/3)^x -1x->0,1,2y->?,?,?
- A.
Y->1,2,3
- B.
Y->0,1,2
- C.
Y->0,-.33,-.56
- 7.An exponential decay function becomes smaller and smaller until it reaches 0. true or false
- 8.An exponential decay function always has -x as its power. true or false
- 9.Nadia put $500 in her bank account with an interest compounded annually at the rate of 10%. This is an example of exponential growth. true or false
- 10.Nadia put $500 in her bank account with an interest compounded annually at the rate of 10%. The model for this problem is a)y = 500 (1.010)xORb) y = 500 (1.10)x
Exponential decay is an abstract mathematical phenomenon which explains why some numbers decrease at a rate directly proportional to their present value. This can be expressed using Calculus. It can also be represented...
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