Solve the problem.There are currently 69 million cars in a certain country, increasing exponentially by 0.7% annually. How many years will it take for this country to have 91 million cars? Round to the nearest year.
A. 31 yr
B. 5 yr
C. 442 yr
D. 40 yr
Answer: D
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Find a rational zero of the polynomial function and use it to find all the zeros of the function.f(x) = x4 + 4x3 - 9x2 - 30x - 18
A. {-1, 4, -3 + 
, -3 - 
}
B. {-1, -3, -3 + 
, -3 - 
}
C. {-1, 3, -3 + 
, -3 - 
}
D. {1, -3, -3 + 
, -3 - 
}
Solve the problem.In a probability model, which of the following numbers could be the probability of an outcome:0, 0.2, -0.01, - 
, 
, 
, 1, 1.5
A. 0, 0.2, -0.01, 1, 1.5
B. 0, 0.2, 
, 1
C. 0, 0.2, -0.01, - 
, 
, 1
D. 0.2, 
, 1
Find the effective annual interest rate of 4% compounded monthly. Round your answer to the nearest 0.01%. ? reff = __________ %
Fill in the blank(s) with the appropriate word(s).
The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring, versus 2 man-hours to make one SST ring.How many of each type of ring should be made daily in order to maximize the company's profit, if the profit on a VIP ring is $20 and the profit on an SST ring is $50?
A. 4 VIP and 20 SST B. 0 VIP and 20 SST C. 12 VIP and 12 SST D. 0 VIP and 24 SST