Use the quadratic formula to find the exact solutions.2x2 - 5x - 42 = 0
A. -7, 6
B. -6, 
C. - 7, 12
D. - 
, 6
Answer: D
Mathematics
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 49 at 
minimum: 41 at 
B. Maximum: 77 at 
minimum: 13 at 
C. Maximum: 81 at 
minimum: 9 at 
D. Maximum: 77 at 
minimum: 13 at 
Mathematics
Find y '.y = 
A. - 
- 2x
B. - 
- 2x
C. 
+ 2x
D. - 
+ 2x
Mathematics
Graph the system of inequalities, and find the coordinates of the vertices.y + 3x ? 5,2y - x ? 3,y ? 6
A. 
B. 
C. 
D. 
Mathematics
Divide. If the division is not possible, write "undefined."
A. 61 R2 B. 61 R4 C. 61 D. 63
Mathematics