Solve the system.x - y + z = -5x + y + z = 3x + y - z = 1
A. {(-2, 4, 1)}
B. {(1, -2, 4)}
C. ?
D. {(-2, 1, 4)}
Answer: A
You might also like to view...
Find the values of x for which the given function is concave up, the values of x for which the function is concave down, and any points of inflection.y = -2x2 - 4x - 5
A. Concave up for all x, no points of inflection B. Concave down for all x, no points of inflection C. Concave down for x < -1, concave up for x > -1, point of inflection at (-1, -3) D. Concave up for x < -1, concave down for x > -1, point of inflection at (-1, -3)
Provide an appropriate response.In your own words, explain how to determine the binomial coefficient for x4y6 in the expansion of 
What will be an ideal response?
Describe and graph the interval of real numbers.-3 < x ? 6
What will be an ideal response?
Express as a single logarithm.3 loga (2x + 1) - 2 loga (2x - 1) + 2
A. loga 2(x + 1)
B. loga 
C. loga (2x + 3)
D. loga (2x + 1) + 2