Use the given matrices to compute the given expression.Let C = 
and D = 
. Find C - 2D.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Estimate the minimum number of subintervals needed to approximate the integral
with an error of magnitude less than 10-4 using the Trapezoidal Rule.
A. 82 B. 116 C. 231 D. 400
Find an explicit formula for an.0, 0, 2, 2, 0, 0, 2, 2, . . .
A. an = 1 + (-1)n(n-1) B. an = 1 + (-1)n(n+1) C. an = 1 + (-1)(n(n+1))/2 D. an = 1 - (-1)n(n-1)
Solve the problem by writing an appropriate system of equations and using the inverse of the coefficient matrix to solve the system.The sum of three numbers is 5. The sum of the first and second numbers is 3, and the first number is one more than three times the third number. How many of the numbers are even numbers?
A. 2 B. 1 C. None D. 3
Find the perimeter.
A. 362 in. B. 329 in. C. 383 in. D. 278 in.