What is the zero of the function f(x)=1/3-4
1 answer:
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the lateral area of the hat is .
<u>Step-by-step explanation:</u>
Here we have , George made a conical hat that has a slant height of 14 inches and a radius of 4 inches. The cone is open at one end. We need to find the nearest square unit , the lateral area of the hat . Let's find out:
We know that , Lateral area of cone =
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Therefore , the lateral area of the hat is .
Using an exponential function, it is found that 4 mg of the substance would still be left after 32 days.
<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.
In this problem, considering that the initial amount if of 64 mg, and we are working with half-lifes, the equation is given by:
32 days is 32/8 = 4 half-lifes, hence the amount remaining in mg is given by:
More can be learned about exponential functions at brainly.com/question/25537936