Hurry I’m being timed!!!
2 answers:
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Answer:
- Keep plugging in the points and see the ones that work, for example, (-1,7)
true, so select it
- Keep doing that for the rest of them , some like (3,15) won't work so you just have to keep testing each point.
Answer:
- <u>Option B. 59%</u>
Explanation:
The function that represents the number of E.coli bacteria cells per 100 mL of water as the time t years elapses is:
The base, 1.123, represents the multiplicative constant rate of change of the function, so you just must substitute 1 for t in the power part of the function:
Then, the multiplicative rate of change is 1.590, which means that every year the number of E.coli bacteria cells per 100 mL of water increases by a factor of 1.590, and that is 1.59 - 1 = 0.590 or 59% increase.