Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. x - 2y + 3z = 114x + y - z = 42x - y + 3z = 10
A. (2, 3, 5)
B. (2, -3, 1)
C. (-2, -3, 3)
D. No solution
Answer: B
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Find the particular solution to the given differential equation that satisfies the given conditions.2
+ 7
- 15y = 0; Dy = 0 and y = 3 when x = 0
A. y = 
e-5x + 
e3x/2
B. y = 
e5x + 
e-3x/2
C. y = 
e-5x + 
e3x/2
D. y = - 
e-5x - 
e3x/2
Write the fraction as a decimal. If necessary, use repeating decimal notation.
A. 0.13
B. 0.
C. 0.
D. 0.1
Write a mathematical expression for the word phrase.Fifty-four is greater than or equal to fifty-four
A. 54 > 54 B. 54 < 54 C. 54 ? 54 D. 54 = 54
Solve the problem.The total profit function P(x) for a company producing x thousand units is given by 
Find the values of x for which the company makes a profit. [Hint: The company makes a profit when 
A. x is less than 5 thousand units or greater than 14 thousand units B. x is between 5 thousand units and 14 thousand units C. x is greater than 5 thousand units D. x is less than 14 thousand units