Find the axis of symmetry of the given function.f(x) = 5x - 1 -x2
A. x = 
B. x = - 
C. x = 5
D. x = 
Answer: D
Mathematics
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Graph the function. Specify the intervals over which the function is increasing and the intervals where it is decreasing.y = 
A. Decreasing -? < x < 0 and 0 < x < ?
B. Increasing -? < x < ?
C. Decreasing -? < x < 0;
Increasing 0 < x < ?
D. Increasing -? < x < 0 and 0 < x < ?
Mathematics
For the given pair of points, find the equation of the line 
that goes through the points by solving a system of equations.(9, -9) and (7, -3)
A. y = 3x - 18 B. y = 3x - 36 C. y = -3x - 9 D. y = -3x + 18
Mathematics
Factor the trinomial completely.u2 - 3uv - 54v2
A. (u + 6v)(u - 9v) B. (u - v)(u + 9v) C. (u - 6v)(u + v) D. (u - 6v)(u + 9v)
Mathematics
Graph using the slope and the y-intercept.y = 6.838x + 2.947
A. 
B. 
C. 
D. 
Mathematics