Solve the given system by Gaussian elimination.
a. x = 5, y = –1, z = –6
b. x = –5, y = –1, z = –6
c. x = –5, y = 1, z = –6
d. x = 1, y = 5, z = 6
c. x = –5, y = 1, z = –6
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Use the compound interest formula to determine the interest earned in the given period.P = $5600 at 9
% compounded continuously for 8 years
A. $2671.09 B. $17,816.24 C. $6616.24 D. $12,216.24
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 - 6x + 5
A. vertex (3, 4)
intercepts (5, 0), (1, 0), (0, -5)
B. vertex (3, -4)
intercepts (5, 0), (1, 0), (0, 5)
C. vertex (-3, 4)
intercepts (-5, 0), (- 1, 0), (0, -5)
D. vertex (-3, -4)
intercepts (-5, 0), (- 1, 0), (0, 5)
Fill in the blank with one of the symbols =, <, or > to produce a true statement.10 ? 5
A. = B. < C. >
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. No x-intercepts, no y-intercepts ;
B. No x-intercepts, no y-intercepts ;
C. No x-intercepts, no y-intercepts ;
D. No x-intercepts, no y-intercepts ;