Find the second derivative of the function.r = 
(9 - ?)
A. 
= 
- ?
B. 
= 
C. 
= - 
- 1
D. 
= - 
- 1
Answer: B
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Find the book value using the MACRS method of depreciation and the MACRS depreciation rates table. Round to the nearest dollar.MACRS Depreciation Rates 
Find the book value at the end of 3 years.Cost:$133,000Recovery Period:27.5 years
A. $119,700 B. $120,910 C. $116,074 D. $109,531
Solve. Write the answer in simplest form.The circle graph below shows the fractional part of the Suarez family's budget spent in each category each month.
If the Suarez's income last month was $2000, how much money did they spend on their insurance? Round to the nearest cent, if necessary.
A. $90.91 B. $200.00 C. $20.00 D. $181.82
Solve the problem.During the first five months of the year, Len earned commissions of $3850, $2790, $2450, $2360, and $3580. If Len must have average monthly earnings of at least $3140 in order to qualify for retirement benefits, what must he earn in the sixth month in order to qualify for benefits?
A. at least $3810 B. at least $3006 C. at least $3028 D. at least $3140
Evaluate.2 ? 7 - 4(6 - 2)2
A. -50 B. 160 C. -14 D. -242