Pre-Calc/Chapter 3: Exponential and Log Functions/3.1 Exponential and Logistic Functions
Amount of radioactive element remaining
Suppose the amount of a radioactive element remaining in a sample of 100 milligrams after x years can be described by A(x) = 100e-0.01123x. How much is remaining after #a years? Round the answer to the nearest hundredth of a milligram.]]>
1.0000000
0.3333333
0
0
#answer]]>
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Decide whether the function is an exponential growth or exponential decay ...
Decide whether the function is an exponential growth or exponential decay function and find the constant percentage rate of growth or decay.
f(x) = 5.8 ∙ 1.02x]]>
1.0000000
0.3333333
0
true
true
abc
Exponential decay function; 0.02%
Incorrect
Exponential growth function; 102%
Incorrect
Exponential growth function; 0.02%
Incorrect
Exponential growth function; 2%
Correct
Solve the equation.3(10 - 2x) = 81
Solve the equation.
3(10 - 2x) = 81]]>
1.0000000
0.3333333
0
true
true
abc
27
Incorrect
-3
Incorrect
3
Correct
5
Incorrect