Use differentiation to determine whether the integral formula is correct.
dx = -x cos x + sin x + C
A. No
B. Yes
Answer: B
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Use colored counters to answer the question. Typically, black counters represent a profit or a positive number, while red counters represent a loss or a negative number. Here, use white in place of red, that is, consider a white counter to mean what a red counter would in the typical case.Draw a colored counter diagram with the least number of counters to represent 5.
What will be an ideal response?
Solve the problem. Round to the nearest dollar.A construction company purchased a piece of equipment for $1780. The expected life is 8000 hours, after which it will have a salvage value of $340. Find the amount of depreciation for the first year if the piece of equipment was used for 1700 hours. Use the units-of-production method of depreciation.
A. $306 B. $221 C. $378 D. $179
Identify the illustrated property as commutative, associative, distributive, or inverse.
?
What will be an ideal response?
Find the least common denominator (LCD).
, 
A. -2(x - 1)(x + 4) B. -2(x - 1)(x - 4) C. -2(x + 1)(x - 4) D. -2(x + 1)(x + 4)