Evaluate the integral.
A. - 
ln
+ C
B. - 
+ C
C. 
- 7 ln
D. - 
ln
+ C
Answer: D
Mathematics
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Collect like terms.-9y - 5x - 4x
A. -18xy B. -9y + 1x C. -9y - 1x D. -9y - 9x
Mathematics
It is known that the quantity demanded of a certain make of portable hair dryer is x hundred units/week and the corresponding wholesale unit price is
?
?
dollars. Determine the consumers' surplus if the wholesale market price is set at $20/unit. Round your answer to the nearest dollar.
?
A. $3,114 B. $3,438 C. $3,656 D. $3,579
Mathematics
Provide an appropriate response.Let A = 
, where b and a are nonzero constants. Find A-1.
A. 
B. 
C. 
D. 
Mathematics
Multiply by first changing the decimal to a fraction. Multiply the fractions; then write the answer as a decimal.0.03 × 0.8
A. 0.024 B. 0.0024 C. 2.4 D. 0.24
Mathematics