Solve the system. 7x - y + 3z = 12 5x - 4z = -3 6y + z = 8
A. {(-1, 1, 2)}
B. {(1, 1, 2)}
C. {(1, 2, 1)}
D. ?
Answer: B
Mathematics
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Evaluate the integral.
A. 
B. 
C. 
D. 
Mathematics
Find the absolute extreme values of the function on the interval.h(x) = 
x + 2, -3 ? x ? 3
A. absolute maximum is - 1 at x = -3; absolute minimum is -3 at x = 3 B. absolute maximum is - 1 at x = 3; absolute minimum is 1 at x = -3 C. absolute maximum is - 1 at x = -3; absolute minimum is 1 at x = 3 D. absolute maximum is 3 at x = 3; absolute minimum is 1 at x = -3
Mathematics
Provide an appropriate response.What is the phase shift of the function y = 4 cos 
?
A. 180° B. 270° left C. 135° left D. 135° right
Mathematics
Solve the exponential equation and approximate the result, correct to three decimal places.2(x - 2) = 16
A. 4.079 B. 2.000 C. 6.000 D. 10.000
Mathematics