Describe the conditions under which the statement is true.A ? B' = A
A. Always true
B. A ? B = ?
C. B ? A
D. B = ?
Answer: B
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (ln x)ln x
A. 
B. 
(ln x)ln x
C. 
D. ln x ln (ln x)
Factor the special products, which are the sum or difference of two perfect cubes.216r3 - 125
A. (6r + 5)(36r2 + 30r + 25) B. (6r - 5)(36r2 - 30r - 25) C. (6r - 5)(36r2 - 25) D. (6r - 5)(36r2 + 30r + 25)
Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.The amount of markup on a store item is $17. Find the cost to the store if the markup is 20%.
A. $3.40 B. $14.17 C. $20.40 D. $85.00
Write the words for the dollar amount as you would on a check.$2,000.56
A. Two thousand and 
dollars
B. Two thousand dollars and 
C. Two thousand 
dollars
D. Two thousand dollars 
cents