
Concept explainers
(a)
To Find: The value of
(a)

Answer to Problem 2CYU
The value of the k for the bacteria is
Explanation of Solution
Given:
The number of cells is 2 initially and 8 cells after 20 seconds.
The given function is
Calculation:
Consider the given function is,
Then,
Solve further as,
Thus, the value of the k for the bacteria is
(b)
To Find: The number of bacteria on the food after 5 seconds.
(b)

Answer to Problem 2CYU
The number of bacteria is approximately is 3
Explanation of Solution
Given:
The number of cells is 2 initially and 8 cells after 20 seconds.
Calculation:
Consider the given function is,
Then,
Thus, the number of bacteria is approximately is 3
(c)
To Find: Whether the food on the floor for 5 seconds can be eaten and give the reasonable explanation.
(c)

Answer to Problem 2CYU
The food must not be good to eaten as it is on the floor for more than 5 seconds.
Explanation of Solution
No the food on the food cannot be eaten after the food is on the floor after 5 seconds as the cells start growing on the food. Consider the result of part (b) and how the number of bacteria increases in 5 second. The food must not be good to eaten as it is on the floor for more than 5 seconds.
Chapter 8 Solutions
Algebra 2
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