Solve the problem.If the price charged for a candy bar is p(x) cents, then x thousand candy bars will be sold in a certain city, where 
How many candy bars must be sold to maximize revenue?
A. 780 candy bars
B. 390 candy bars
C. 390 thousand candy bars
D. 780 thousand candy bars
Answer: C
Mathematics
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Indicate the property that justifies the statement.-(x + 4) + (x + 4) = 0
A. Additive inverse property B. Multiplicative inverse property C. Multiplication property of zero D. Additive identity property
Mathematics
Evaluate the line integral along the curve C.
ds , C is the path from (0, 0, 0) to (-4, 4, 1) given by:C1: r(t) = -4t2i + 4tj, 0 ? t ? 1C2: r(t) = -4i + 4j + (t-1)k, 1 ? t ? 2
A. 
B. 
- 
C. 
+ 
D. 
Mathematics
Solve using the multiplication principle.38.2x = 114.6
A. 76.4
B. 
C. 3
D. 111.6
Mathematics
Solve the exponential equation. Express the solution set in terms of natural logarithms.e x + 6 = 3
A. {ln 9} B. {ln 3 - 6} C. {e3 + 6} D. {e18}
Mathematics