Solve the linear equation.
x = 2 + 
A. {60}
B. {30}
C. {-60}
D. {-30}
Answer: B
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Use a graphing calculator and the method of matrix inverses to solve the system. Give 5 decimal places.?x + ey + 
z = 2ex + ?y + 
z = 4
x + ey + ?z = 6
A. {(-2.01284, 2.71182, 0.67317)} B. {(1.41421, 2.82843, 3.46410)} C. {(-2.71828, 3.14159, 1.41421)} D. {(-4.12755, 4.84931, -0.01039)}
Find the second-order partial derivative.Find fxy when f(x,y) = 10x2y4 - 7x3y5.
A. 80xy3 - 105x2y4 B. 80xy3 - 21x2y4 C. 160xy3 - 21x2y4 D. 160xy3 - 105x2y4
The function represents the rate of flow of money in dollars per year. Assume a 10-year period and find the accumulated amount of money flow at t = 10.f(x) = 500 at 4% compounded continuously
A. $6147.81 B. $31,147.81 C. $12,500.00 D. $9171.45
Add.18 + (-11) + 13 + (-16) + 2 + (-9)
A. -7 B. -29 C. -69 D. -3