Prison Population The following curve is a model of the total U.S. prison population as a function of time in years. Time (year since 2000) a. Which is correct? Over the period [ 5 , 10 ] theinstantaneous rate of change of N is (A) increasing. (B) decreasing. b. Which is correct? The instantaneous rate of change of prison population at t = 4 was (A) less than (B) greater than (C) approximately equal to the average rate of change over the interval [ 0 , 10 ] . c. Which is correct? Over the period [ 0 , 10 ] theinstantaneous rate of change N is (A) increasing, then decreasing. (B) decreasing, then increasing. (C) always increasing. (D) always decreasing. d. According to the model, the U.S. prison population was increasing fastest around what year? e. Roughly estimate the instantaneous rate of change of N at t = 4 byusing a balanced difference quotient with h = 1.5 . Interpret the result
Prison Population The following curve is a model of the total U.S. prison population as a function of time in years. Time (year since 2000) a. Which is correct? Over the period [ 5 , 10 ] theinstantaneous rate of change of N is (A) increasing. (B) decreasing. b. Which is correct? The instantaneous rate of change of prison population at t = 4 was (A) less than (B) greater than (C) approximately equal to the average rate of change over the interval [ 0 , 10 ] . c. Which is correct? Over the period [ 0 , 10 ] theinstantaneous rate of change N is (A) increasing, then decreasing. (B) decreasing, then increasing. (C) always increasing. (D) always decreasing. d. According to the model, the U.S. prison population was increasing fastest around what year? e. Roughly estimate the instantaneous rate of change of N at t = 4 byusing a balanced difference quotient with h = 1.5 . Interpret the result
Solution Summary: The author determines the correct option for the instantaneous rate of change of number of prisoners in time interval left[5,10right] in U.S.
Consider the following system of equations, Ax=b :
x+2y+3z - w = 2
2x4z2w = 3
-x+6y+17z7w = 0
-9x-2y+13z7w = -14
a. Find the solution to the system. Write it as a parametric equation. You can use a
computer to do the row reduction.
b. What is a geometric description of the solution? Explain how you know.
c. Write the solution in vector form?
d. What is the solution to the homogeneous system, Ax=0?
2. Find a matrix A with the following qualities
a. A is 3 x 3.
b. The matrix A is not lower triangular and is not upper triangular.
c. At least one value in each row is not a 1, 2,-1, -2, or 0
d. A is invertible.
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