Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered triple. x + y + z = 7 x - y + 2z = 75x + y + z = 11
A. (4, 2, 1)
B. (4, 1, 2)
C. (1, 4, 2)
D. (1, 2, 4)
Answer: D
Mathematics
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Differentiate.
Mathematics
Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.2x2 + 9x + 10
A. prime B. (2x - 5)(x - 2) C. (2x + 5)(x + 2) D. (2x + 2)(x + 5)
Mathematics
Change the word phrase to an algebraic expression. Use x as the variable to represent the number.a number multiplied by six hundred fifty two
A. 652 - x
B. 652x
C. 652 + x
D. 
Mathematics
State the domain and range of the function.f(x) = e-x + 2
A. Domain = (-?, ?); range = (-?, ?)
B. Domain = (-?, ?); range = 
C. Domain = = (-?, ?); range: 
D. Domain = (-?, ?); range = (2, ?)
Mathematics