Solve the problem.The function f(x) = 
models the average cost per unit, f(x), for Electrostuff to manufacture x units of Electrogadget IV. How many units must the company produce to have an average cost per unit of $450?
A. 90 units
B. 181 units
C. 164 units
D. 163 units
Answer: D
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Solve the problem. Use an annual percentage rate table if necessary.A retired couple buys a new recreational vehicle (RV) for $54,000. They make a down payment of $13,000 and finance the balance at 9.0% APR over 60 months. Before making the 30th payment, the couple decides to pay the remaining balance on the loan. How much interest will the couple save (use the actuarial method)?
A. $3074.14 B. $3613.77 C. $2711.85 D. $2743.79
Use the linearization of the function to approximate the value of the function. Give your answer in the form indicated.(1.0005)50Give your answer as a fraction.
A. 
B. 
C. 
D. - 
Evaluate the logarithm.ln (l)
A. 1 B. e C. 0 D. -1
Assume that A = {1, 2, 3, 4, 5, 7, 8}, B = {5, 3, 4}, C = {5, 7, 3} and that U is the universal set of natural numbers less than 11. Find A?(B?C).
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