Decide if the number is rational or irrational.
A. Rational
B. Irrational
Answer: A
Mathematics
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For the function f whose graph is given, determine the limit.Find
f(x).
A. -2 B. 2 C. does not exist D. 0
Mathematics
Use Gaussian elimination and matrices to solve the system of linear equations. Write your final augmented matrix in triangular form and then solve for each variable using back substitution. x + y + z= 3 x - y + 2z= 54x + y + z=-3
A. (-2, 1, 4) B. (4, 1, -2) C. (4, -2, 1) D. (-2, 4, 1)
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.4x2 + 28x + 49
A. (2x + 7)2 B. (2x + 7)(2x - 7) C. (2x - 8)2 D. (2x - 7)2
Mathematics
Factor.3c2 + 6cd + 3d2 - 48f2
A. (c + d + 4f)(c + d - 4f) B. 3((c + d)2 + 4f)((c + d)2 - 4f) C. 3(c + d + 4f)(c + d - 4f) D. ((c + d)2 + 4f)((c + d)2 - 4f)
Mathematics