Use graphing to factor f(x).f(x) = 
x3 + 
x2 + 
x - 
A. (x + 1)(x - 2)(x - 4)
B. (x - 1)(x + 2)(x + 4)
C. 
(x + 1)(x - 2)(x - 4)
D. 
(x - 1)(x + 2)(x + 4)
Answer: D
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Discuss the equation and graph it.r = 
A. directrix parallel to polar
axis 2 below pole
focus (0, 0), vertex 
B. directrix perpendicular to polar
axis 2 left of pole
focus (0, 0), vertex 
C. directrix perpendicular to polar
axis 2 right of pole
focus (0, 0), vertex 
D. directrix parallel to polar
axis 2 above pole
focus (0, 0), vertex 
Determine whether the given relationship defines a function. If so, identify the independent and dependent variable, and why the relationship is a function.Derek's weight w in second grade g.
A. Yes; g, w; there is one weight for second grade. B. No
Graph the function.f(x) = e3x - 2
A. 
B. 
C. 
D. 
Solve the polynomial inequality. Express your solution on a number line using interval notation.Use the graph of y = (x - 3)2 - 2 to solve (x - 3)2 - 2 > -1.
A. [2, 4]
B. (-? , 2] ? [4, ? )
C. (-? , 2) ? (4, ? )
D. (2, 4)