per day? 57. Drugs in the bloodstream The concentration y of a certain drug in the bloodstream t hours after an oral dosage (with 0 sIS 15) is given by the equation y = 100(1 - e-04621) (a) What is y after 1 hour (t 1)? (b) How long does it take for y to reach 50?

Q: How do we take the derivative of (log(4x+3))2x?, why is it wrong to do :

A: we have given function  to find the derivative.

Q: fay = 3x Ln(x²1) 3x = 3Ln(x²-1) + 3× · 3x BLn (x²-) +

A:

Q: What happened to the absolute value of e^-|2t|?

A:

Q: How would I calculate the principle value of  ln(-ie)

A: Given, z=lne-i Convert e-i to polar form. For a complex number a+bi  polar form is given by,…

Q: Can you explain these steps? I don't get it how does he factor the x out from (e^ln x^-2).

A:

Q: Thank you for the help on this problem! If i am not mistaken, isnt e^(20*0.095) = 6.69?

A: Given that vehicle are counted in 20 seconds intervals & vehicle count are taken in 120 of these…

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A: First of all, put the value of x = 3/2 in f(x).

Q: 2 (e^)² = e²x why rather than (e^)² = etz 2

A: To find the integral.

Q: how does -1 transform into e^((2k+1)TTi)?

A: (.)  Euler's formula is,             we have to show that .

Q: Find the following: (1) Re[ln(-2)] 17 3+i) (2) Arg () 1+i

A:

Q: What is ln(-3)? Explain.

A: We  have given ln-3. We know that lnx is defined if x>0. Domain of lnx is (0,∞). Therefore, input…

Q: Differentiate (e^x)/x using any method you choose

A:

Q: Evaluate if ln(a)=2, ln(b)=3,ln(c)=5 (ln c^-1) (ln (a/b^-1))^4

A: Use natural logarithms properties as follows.

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A:

Q: du / (1 - e")2

A:

Q: tan(csc^−1(4/x))

A:

Q: what happened to the (7(s+1)e^-s)/s^2? why is the answer just (7e^-s)/s

A:

Q: 700π= π.10^2.h/3

A: The objective of the question is to solve for the variable 'h' in the given equation.