Life and Physical Sciences Radioactive Decay. Iodine-131 has a decay rate of 9.6% per day. The rate of change of an amount N of iodine-131 is given by d N d t = − 0.096 N , where t is the number of days since decay begin. a. Let N 0 represent the amount of iodine-131 present at t = 0 . Find the exponential function that models the situation. b. Suppose 500 g of iodine-131 is present at t = 0 . How much will remain after 4 days? c. After how many days will half of the 500 g of iodine-131 remain?
Life and Physical Sciences Radioactive Decay. Iodine-131 has a decay rate of 9.6% per day. The rate of change of an amount N of iodine-131 is given by d N d t = − 0.096 N , where t is the number of days since decay begin. a. Let N 0 represent the amount of iodine-131 present at t = 0 . Find the exponential function that models the situation. b. Suppose 500 g of iodine-131 is present at t = 0 . How much will remain after 4 days? c. After how many days will half of the 500 g of iodine-131 remain?
Solution Summary: The author calculates the exponential function for the differential equation dNt=-0.096N.
The graph below is the function f (x)
-D
-3-2
4
3
2
Q2
03
Find lim
f(x) =
x-1-
Find lim
f(x) =
x−1+
Find lim f(x) =
x-1
Find f (-1)
=
3 4 5
i circled the correct answer and i did most of the question but i cant figure out how to add both residues to get the correct answer
could you please show me how to do it
Question 3 Starting at the point (0, −2,0), I walk up the hill z = 4-x² — y².
The projection of my path on the xy plane is the line y = 2x-2.
(a) At what point on my path is my altitude (the z-value) the greatest?
(b) What is the slope m of my path (taking the z-axis to be vertical) when I
am at the point (1, 0, 3)? [Hint: Parametrize my path (take x to
be t).]
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