An economy's consumer price index (CPI) is described by the function 
, where 
corresponds to 1995.
?
At what rate was the CPI changing in 1998?
?
A. 12.6 pts/yr
B. 12.8 pts/yr
C. 12.7 pts/yr
D. 12.5 pts/yr
E. 12.4 pts/yr
Answer: A
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For the given investment, assume that there is no opportunity for reinvestment of returns. Find the monthly return, annual return, or annual percentage return as indicated.
Find the monthly return.
A. $1161.00 B. $116.10 C. $11.61 D. $9.68
Solve the problem. If the answer is an amount of money, round to the nearest dollar.Brand X copier advertises that its copiers run 19% longer between service calls than its competitor. If Brand X copiers run 55,500 copies between services, how many copies would the competitor run?
A. 30,663 B. 44,955 C. 46,639 D. 66,045
Find the quotient and write in rectangular form. First convert the numerator and denominator to trigonometric form.
A. -4 i
B. -4 - 4i
C. - 2
- 2 i
D. -4
Find the product and write the answer in simplest form. Assume variables represent nonnegative values.
? 
A. 
B. 
C. 
D. 