At what input value will the function f(x) = -x - 2 + 2 begin to have real outputs?
1 answer:
The function will begin to have real output when the input value is 2
<h3>How to determine the input value?</h3>The function is given as:
Set the radical greater than or equal to 0
Add 2 to both sides
This represents the domian
Hence, the function will begin to have real output when the input value is 2
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<u>Complete question</u>
At what input value will the function begin to have real outputs?
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The exponential equation that represents how many grams of the compound will remain after 8 hours is:
B: C=260(0.962)^8
<h3>What is an exponential function?</h3>A decaying exponential function is modeled by:
In which:
- A(0) is the initial value.
- r is the decay rate, as a decimal.
A radioactive compound with mass of 260 grams decays at a rate of 3.8% per hour, hence the equation for the mass after t hours is given by:
After 8 hours, the amount is given by:
Hence option B is correct.
More can be learned about exponential equations at brainly.com/question/25537936