Determine whether the matrix is in row-echelon form. If it is, then determine also whether it is in reduced row-echelon form.
A. Yes; yes
B. Yes; no
C. No
Answer: A
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Solve the problem.Find the vertices and foci of the following hyperbola:
- 
= 1
A. Vertices: (0, 11), (0, -11); Foci: (0, 2), (0, -2) B. Vertices: (2, 0), (-2, 0); Foci: (11, 0), (-11, 0) C. Vertices: (0, 2), (0, -2); Foci: (0, 11), (0, -11) D. Vertices: (4, 0), (-4, 0); Foci: (11, 0), (-11, 0)
Solve the problem.Suppose A0dollars is deposited in a savings account paying 6.5% interest compounded continuously. After x years the account will contain 
dollars. If $590 is initially deposited in this account, how much would be in the account after 11 years? Round to the nearest cent.
A. $2.04 B. $2372.74 C. $629.62 D. $1206.07
Add like terms, if possible, and write the result in descending powers of the variable.7x5 + 6x5 - 4x5
A. -168x5 B. 9x5 C. 9x15 D. Cannot be simplified
Provide an appropriate response.What symmetry does the graph of y = f(x) exhibit?
A. x-axis B. y-axis C. Origin D. No symmetry