Answer the question about the given function.Given the function f(x) = 
, if x = 2, what is f(x)? What point is on the graph of f?
A. 
; (2, 
)
B. - 
; (2, - 
)
C. 
; (
, 2)
D. - 
; (- 
, 2)
Answer: B
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Solve the problem.Suppose a business can sell x gadgets for p = 250 - 0.01x dollars apiece, and it costs the business 
dollars to produce the x gadgets. Determine the production level and the sale price per gadget required to maximize profit.
A. 10,000 gadgets at $150.00 each B. 13,750 gadgets at $112.50 each C. 11,250 gadgets at $137.50 each D. 111 gadgets at $248.89 each
Solve. Write the answer as a mixed number as needed.Find the length of the section represented by x in the figure. 
a = 1
b = 5
A. 2
B. 13
C. 5
D. 1
Solve the problem.A company installs 5000 light bulbs. Each bulb has an average life of 500 hours with a standard deviation of 100 hours. The life of each bulb is approximated by a normal curve. Find the number of bulbs that can be expected to last between 290 hours and 540 hours.
A. 1641 B. 3188 C. 3190 D. 1639
Use the appropriate normal distribution to approximate the resulting binomial distribution.
Jorge sells magazine subscriptions over the phone. He estimates that the probability of his making a sale with each attempt is .11. What is the probability of Jorge making more than 10 sales if he makes 80 calls? Round your answer to four decimal places, if necessary. The probability is __________.