Provide an appropriate response.Find the critical values and determine the intervals where f(x) is decreasing and the intervals where f(x) is increasing for 
A. increasing on (-1, 0); decreasing on (-?, -1) and (0, 1)
B. decreasing on (-1, 0) and (1, ?); increasing on (-?, -1) and (0, 1)
C. decreasing on (-1, 0) and (1, ?); increasing on (-?, -1)
D. increasing on (-1, 0) and (1, ?); decreasing on (-?, -1) and (0, 1)
Answer: D
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A. x < 0 or x > 
B. - 
< x < 0
C. x < - 
or x > 
D. 0 < x < 
Translate into an equation, then solve.Ken is to receive 680 cc of insulin in three injections. The first injection is to be 
. The second injection is to be 240 cc. How much insulin must be given for the third injection?
A. 170 + 240 + x = 680; x = 750 cc B. 170 + 240 + x = 680; x = 270 cc C. 170 - 240 + x = 680; x = 270 cc D. 170 - 240 + x = 680; x = 750 cc
Solve the equation involving "nested" radicals for all real solutions analytically.
= 
A. {4} B. {-3, 4} C. {-3} D. ?
Write an equation for the sphere with the given point as its center and the given number as its radius.(7, 5, 2), 5
A. (x + 7)2 + (y + 5)2 + (z + 2)2 = 25 B. (x - 7)2 + (y - 5)2 + (z - 2)2 = 5 C. (x + 7)2 + (y + 5)2 + (z + 2)2 = 5 D. (x - 7)2 + (y - 5)2 + (z - 2)2 = 25