Give all possible rational zeros for the polynomial.f(x) = -2x4 + 3x3 + 2x2 + 18
A. ±1, ±2, ±3, ±6, ±9, ±18
B. ±1, ±2, ± 
, ± 
, ± 
, ± 
, ± 
C. ±1, ± 
, ±2, ±3, ± 
, ±6, ±9, ± 
, ±18
D. ±1, ± 
, ±2, ±3, ±6, ±9, ±18
Answer: C
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The graph below shows the number of students enrolled in various courses at State University in spring 2000. Each bar represents a different course, and the height of the bar represents the number of students enrolled. Use the graph to answer the question.
Which course had the lowest enrollment?
A. Algebra B. Philosophy C. Art D. English
Find the absolute maxima and minima of the function on the given domain.
on the diamond-shaped region 
A. Absolute maximum: 
at 
and 
absolute minimum: 0 at 
B. Absolute maximum: 18 at 
and 
absolute minimum: 0 at 
C. Absolute maximum: 
at 
and 
absolute minimum: 0 at 
and 
D. Absolute maximum: 
at 
and 
absolute minimum: 18 at 
and 
Use an identity to write the expression as a single trigonometric function or as a single number.2 cos2 22.5° - 1
A. 
B. 
C. 
D. 
The function f(x) =  FIGURE 1.png)
is graphed below.
 Figure 3.png)