Differentiate.f(x) = 4 log x
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify the expression. If any variables exist, assume that they are positive.8
+ 8
A. 32
B. 48
C. 16
D. -48
Mathematics
Solve.A grain dealer sold to one customer 5 bushels of wheat, 2 of corn, and 3 of rye, for $17.70; to another, 2 of wheat, 3 of corn, and 5 of rye, for $21.30; and to a third, 3 of wheat, 5 of corn, and 2 of rye, for $18.60. What was the price per bushel for corn?
A. $1.60 B. $1.10 C. $2.30 D. $1.96
Mathematics
Find the reciprocal.
A. 
B. 11
C. -11
D. -1
Mathematics
Find the slope of the line.
A. 
B. 
C. 
D. 
E. undefined
Mathematics