Find a rational zero of the polynomial function and use it to find all the zeros of the function.f(x) = x4 - 3x3 + 7x2 + 21x - 26
A. {2, -1, 2 + 3i, 2 - 3i}
B. {-2, 1, 2 + 4i, 2 - 4i}
C. {2, -1, 2 + 
, 2 - 
}
D. {-2, 1, 2 + 3i, 2 - 3i}
Answer: D
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When a camera flash goes off, the batteries immediately begin to recharge the flash's capacitor, which stores electric charge given by
 FIGURE 1.png)
Divide, if possible. If not possible, write "not defined."
A. 0 B. Not defined C. 1 D. 61
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. No x-intercepts, no y-intercepts ;
B. No x-intercepts, no y-intercepts ;
C. No x-intercepts, no y-intercepts ;
D. No x-intercepts, no y-intercepts ;
Solve.An elliptical riding path is to be built on a rectangular piece of property that measures 8 mi by 4 mi. Find an equation for the ellipse if the path is to touch the center of the property line on all 4 sides.A = 8 miB = 4 mi 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1