Solve the equation.log2(x + 4) = 1 + log2(x + 1)
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find projv u.v = 3i - j + 3k, u = 2i + 10j + 11k
A. 
i + 
j + 
k
B. 
i - 
j + 
k
C. 
i - 
j + 
k
D. 
i + 
j + 
k
Mathematics
Subtract.-23 - 21
A. 2 B. 44 C. -2 D. -44
Mathematics
?Find 
. (Note: A2 = AA.)
?
?
A. ?
B. ?
C. ?
D. ?
E. ?not possible
Mathematics
Find the exact value of the expression.cos
A. 
B. 
C. 
D. 
Mathematics