Provide an appropriate response.Which of the following items is undefined and why?tan-1 6 or cos-1 6
What will be an ideal response?
cos-1 6, There is no angle whose cosine is 6.
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Simplify the expression.(1 + i)2 + (1 + i)
A. 3i. B. 2 + 4i. C. 1 + 3i. D. 3 + 3i. E. none of these
Gambling A game of cards is played with a hand that consists of 5 cards dealt from a deck of 29 cards. How many different hands of cards are possible?
a. 118,755 b. 14,250,600 c. 145 d. 20,511,149 e. 120
Solve the problem.A car rental company offers two rental plans. Under Plan 1 they charge $54 per day plus $0.18 per mile. Under Plan 2 they charge 
per day plus 
per mile. If you plan to rent for one week, for what mileages is the second plan cheaper than the first?
A. for more than 58,800 mi B. for more than 14,700 mi C. for more than 4200 mi D. fore more than 30,100 mi
Solve the problem.Given the demand function q = 863 - 3p, determine the price where demand has unit elasticity.
A. p = 143.83 B. p = 58.76 C. p = 29.38 D. p = 71.92