Provide an appropriate response.The rational expression
describes the cost, in millions of dollars, to inoculate x percent of the current population of cattle against a particular virus. Choose which of the following statements are true with regard to this mathematical model.I. The expression will be undefined when x = 100.II. The cost of inoculating 90 percent of cattle is 800 million dollars more than the cost of inoculating 70 percent of cattle.III. This expression will calculate inoculation costs for any population of cattle, no matter what the size.
A. Only I and III are true.
B. Only I and II are true.
C. Only II and III are true.
D. All three statements are true.
Answer: B
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The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. v (ft/sec)When is the body's acceleration equal to zero?
A. 0 < t < 2, 6 < t < 7 B. t = 2, t = 3, t = 5, t = 6 C. 2 < t < 3, 5 < t < 6 D. t = 0, t = 4, t = 7
Solve the problem.Suppose you want to buy a car. The dealer offers a financing package consisting of a 3.6% APR compounded monthly for a term of four years. Suppose that you want your monthly payments to be at most $500. What is the maximum amount that you should finance? Round your answer to the nearest dollar.
A. $23,525 B. $23,000 C. $22,330 D. $22,321 E. $22,500
Find the stock turnover at cost and at retail. Round to the nearest hundredth.
A. Turnover at cost = 2.90 Turnover at retail = 2.92 B. Turnover at cost = 2.14 Turnover at retail = 3.96 C. Turnover at cost = 2.92 Turnover at retail = 2.90 D. Turnover at cost = 1.37 Turnover at retail = 1.36
Use Gaussian elimination or Gauss-Jordan elimination to solve the problem.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. B requires 1 black, 2 white, and 1 red. C requires 2 black, 1 white, and 2 red. They used 95 black, 100 white and 90 red wires. How many of each cable were made?
A. 58 cable A 30 cable B 22 cable C B. 5 cable A 18 cable B 25 cable C C. 5 cable A 30 cable B 25 cable C D. 30 cable A 5 cable B 25 cable C