List the critical values of the related function. Then solve the inequality.
? 
A. 
? 
B. -4, 
; (-?, -4) ? 
C. -4, 
, - 
, 
; (-?, -4) ? 
? 
D. -4, - 
; 
Answer: C
Mathematics
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Find 
.y = 8 4x2 + 9x
A. 88x + 9 ? ln 8 B. (8x + 9) 8 4x2 + 9x C. (8x + 9) 8 4x2 + 9x ? ln 8 D. (8x + 9) 8 4x2 + 9x ? log8x
Mathematics
Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = cos x + 1, [0, 2?], left-hand endpoint
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation.
- 
A. 
B. 
C. - 
D. 
Mathematics
Solve the equation.x(x - 1) = 42
A. 6, -7 B. -6, 7 C. -6, -7 D. 6, 7
Mathematics