Multiply.-2(9x + 3)
A. -2x
B. -18x + 6
C. -18x - 6
D. -18x + 3
Answer: C
Mathematics
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Find the indicated vector.Let u = 
, v = 
. Find v - u.
A. 
B. 
C. 
D. 
Mathematics
Integrate the function.
dx
A. ln 
- 
+ 
+ C
B. ln 
+ 
+ C
C. ln 
- 
+ 
+ C
D. ln 
- 
+ C
Mathematics
Solve.
+ 
= 4
A. -2
B. 0
C. 
, -2
D. 2, -2
Mathematics
Determine the domain and the range of the function.f(x) = -x2 - 4x
A. domain: {x|x? 2} range: {y|y ? 4} B. domain: {x|x ? -2} range: {y|y ? 4} C. domain: all real numbers range: {y|y ? -4} D. domain: all real numbers range: {y|y ? 4}
Mathematics