Factor the expression by grouping terms.  figure 1.png)
What will be an ideal response?
(x² - 3)(2x+1)
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Use the guidelines to evaluate the study. Discuss flaws that you see in the study. An educational researcher wishes to compare the effectiveness of two different math textbooks. She has the tenth graders at one school use the first book for one year and the tenth graders at another school use the second textbook for one year. At the end of the year, she gives the same math test to both classes and compares the results.
What will be an ideal response?
Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line y = 6, below by the curve y = 
, and on the left by the y-axis, about the line y = 6
A. 12?
B. 
?
C. 36?
D. 108?
Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function decreases most rapidly.
A. - 
B. - 
C. - 
D. - 
Solve the problem.The motion of an imaginary ball bouncing along a flat, level surface, such that each bounce is identical in peak height and horizontal velocity to the bounce before it, is modeled by the following functional relationship between the instantaneous height, f(x), of the ball above the flat surface and the horizontal position, x, of the ball along the surface:
Find ao, two nonzero cosine terms (if they exist), and two nonzero sine terms (if they exist) of the Fourier series for this description of motion.
A. f(x) = 
- 4
B. f(x) = 
- 
C. f(x) = 
- 
D. f(x) = 
+ 