Use Cramer's rule to solve the system.5x + 3y = -133x + y = -11
A. {(4, -5)}
B. {(-4, -5)}
C. {(5, -4)}
D. {(-5, 4)}
Answer: D
Mathematics
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Solve the equation.log (x + 4) = log (5x - 5)
A. 
B. 
C. 
D. 
Mathematics
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. Determine where the function is increasing and where it is decreasing. If necessary, round answers to two decimal places.f(x) = 0.15x4 + 0.3x3 - 0.8x2 + 5; (-4, 2)
What will be an ideal response?
Mathematics
Use the graph to find the vertical asymptotes, if any, of the function. 
A. x = -2, x = 2, y = 0 B. x = -2, x = 2 C. none D. x = -2, x = 2, x = 0
Mathematics
Solve the equation.
+ 
= x + 9
A. 
B. 
C. 
D. 
Mathematics