Factor completely.4x2 - x - 5
A. (4x + 1)(x - 5)
B. (4x - 1)(x + 5)
C. (4x - 5)(x + 1)
D. (4x + 5)(x - 1)
Answer: C
Mathematics
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Find the second derivative of the function.s = 
A. 
= 5t4 - 
- 
B. 
= 20t5 + 
+ 
C. 
= 5t3 - 
- 
D. 
= 20t3 + 
+ 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
? 
A. 6 B. -2x C. 5x D. 6x2
Mathematics
Find the LCM of the set of numbers.18, 19
A. 37 B. 19 C. 342 D. 171
Mathematics
The auxiliary equation for the differential equation 
is
Select the correct answer.
?
A. 
B. 
C. 
D. 
E. 
Mathematics