Question 5(Multiple Choice Worth 1 points)
1 answer:
Answer:
(a) see attached
Step-by-step explanation:
A table will represent a function if no input (x) values are repeated.
<h3>Choices</h3>The offered tables can be evaluated as follows:
(a) x-values {-4, -1, 1, 4}, no repeats. Is a function.
(b) x-values {2, 2, 3, 3}, both values repeated
(c) x-values {-5, -5, 5, 5}, both values repeated
(d) x-values {2, 2, 7, 7}, both values repeated
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After 24 hours, 35.4% of the initial dosage remains on the body.
<h3>What percentage of the last dosage remains?</h3>
The exponential decay is written as:
Where A is the initial value, in this case 2.8mg.
k is the constant of decay, given by the logarithm of 2 over the half life, in this case, is:
Replacing all that in the above formula, and evaluating in x = 24 hours we get:
The percentage of the initial dosage that remains is:
If you want to learn more about exponential decays:
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