Find a formula for the nth term of the sequence.The sequence 0, 2, 0, 2, 0, . . . (alternating 0's and 2's)
A. an = 1 + (-1)n+1
B. an = 1 + (-1)n
C. an = 1 + (-1)n-1
D. an = 1 - (-1)n
Answer: B
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Solve.You park your car in a pay lot. Because you have a coupon, you get the first 
You pay for an extra 4
hr. How long can you park?
A. 6 hr B. 5 hr 15 min C. 5 hr 75 min D. 6 hr 15 min
Evaluate the integral.
A. 
ln 2
B. ln 
C. 
ln 
D. 
Provide an appropriate response. A catalog company is considering the purchase of an 800 phone number. Without the 800 number, calls cost $0.22 per minute, and with the 800 number calls will cost $0.13 per minute plus a $55.00 flat rate. Write a symbolic statement that could determine the minutes of calls that would make the $0.22 per minute charge equal to a $0.13 per minute charge including the $55.00 flat rate.
A. 0.22 = 0.13 + 55.00x B. 0.22x = 0.13 + 55.00x C. 0.22x = 0.13x + 55.00 D. 0.22x + 55 = 0.13x
Use the product-to-sum identities to rewrite the expression as the sum or difference of two functions.sin 3? sin 7?
A. 
[cos 10? - sin 4?]
B. 
[- cos 4? - cos 10?]
C. 
[cos 4? - cos 10?]
D. sin2 21?2