An unknown radioactive element decays into non-radioactive substances. In 920 days the radioactivity of a sample decreases by 62 percent. Clearly state what formula you are using to solve the questions below. (a) What is the half-life of the element (in days)? (b) How long (in days) will it take for a sample of 100 mg to decay to 97 mg?

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Q: The function f(x) = 4x + 3 is one-to-one. Find an equation for f (x). the inverse function. (Type an...

A: To find the equation for the inverse function.

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A: Given: X~N(50,10)

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A: As per the company guidelines we can solve first question. I hope that the given solution will help ...

Q: N 10000 m3 т

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Q: et cot (el - 9)dt

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A: I have stated the used formulas in the solution.

Q: The integral of x-Inx with respect to x is,

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Q: Find the exact length of the curve. y= In{1 – x²), o s 1. 0 sxs! 7. I Ju =

A: We will find the exact length of the curve as shown below

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Q: Find the absolute maxima and minim uל םיל É(x v) = x2 • 1x + y²+ 20y +7 on the rect

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A: This can be solved as follows:

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Q: Find the absolute extreme values of the function on the interval. 14) f(x) = ex - x, -1 sxs 2 %3D

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