Solve.The amount of simple interest earned on an investment over a fixed amount of time is jointly proportional to the principle invested and the interest rate. A principle investment of $2800.00 with an interest rate of 1% earned $112.00 in simple interest. Find the amount of simple interest earned if the principle is $4900.00 and the interest rate is 2%.
A. $196.00
B. $392.00
C. $39,200.00
D. $224.00
Answer: B
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Solve the problem.A company adopts an advertising campaign to weekly add to its customer base. It assumes that as an average fifty percent of its new customers, those added the previous week, will bring in one friend, but those who have been customers longer will not be very effective as recruiters and can be discounted. A media campaign brings in 10,000 customers initially. What is the expected total number of customers with whom the company can expect to have dealings?
A. 30,000 customers B. The sum diverges to infinity. C. 15,000 customers D. 20,000 customers
Solve the inequality. Give the solution set in both interval and graph forms.-5(6y + 7) < -35y - 25
A. (-35, ?)
B. (-?, -35)
C. (-?, 2)
D. (2, ?)
Solve the problem.How much money should you invest now to have $5000 in 12 years if you invest the money at a rate of 1.4%, compounded semiannually?
A. $2500.00 B. $4229.24 C. $4598.50 D. $3577.30
Match the graph with its corresponding function.
A. y = 
B. y = 
- 2
C. y = 
D. y = -2