Find the sum.- 
+ 
A. 
B. 
C. - 
D. - 
Answer: C
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Determine whether the graph of the equation or function has symmetry about the x-axis, the y-axis, and the origin.f(x) = -3x3 + 2x
A. x-axis B. Origin C. x-axis, origin D. x-axis, y-axis
Factor the trinomial completely.x4 - 9x3 + 14x2
A. (x2 - 2)(x2 - 7) B. x2(x - 14)(x - 1) C. x2(x + 2)(x + 7) D. x2(x - 2)(x - 7)
Find the general form of the equation for the line with the given properties.Slope = - 
; containing the point (0, 2)
A. 4x + 9y = -18 B. 4x + 9y = 18 C. 9x + 4y = -18 D. 4x - 9y = 18
Solve the problem.If a rock falls from a height of 80 meters on Earth, the height H (in meters) after x seconds is approximately H(x) = 80 - 4.9x2.When does the rock strike the ground? Round to the nearest hundredth, if necessary.
A. 16.33 sec B. 3.33 sec C. 4.04 sec D. 1.83 sec