Find the derivative.y = 4x2 + 12x + 4x-3
A. 8x + 12 - 12x-4
B. 8x + 12 + 12x-4
C. 4x + 4x-4
D. 8x - 12x-4
Answer: A
Mathematics
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Solve. Give exact solutions.x2 - 
x + 
= 
A. 
+ 
, 
- 
B. 
+ 
, 
- 
C. 
+ 
, 
- 
D. 
+ 
, - 
+ 
Mathematics
Find the limit, if it exists.
A. 0
B. 5
C. 
D. ?
Mathematics
Write 0.47 as a fraction.
 figure 1.png)
Mathematics
The figures are similar. Find the length of the missing side indicated with an x or y.
A. x = 7.2; y = 3.9 B. x = 6.3; y = 3.6 C. x = 1.2; y = 3.6 D. x = 6.3; y = 3.9
Mathematics