Find a general term an for the geometric sequence.a1 = 2, r = 
A. an = 2 ? 
n-1
B. an = 2 - 
(n - 1)
C. an = 2n-1 - 
D. an = 2 + 
(n - 1)
Answer: A
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Evaluate.cos 
A. - 
B. 
C. 
D. 1
Write the set in set-builder notation.{-3, -1, 1, 3, 5, ...}
A. {
x is an odd integer greater than -4}
B. {
x is an odd integer}
C. {
x is an odd integer between -4 and 6}
D. {
x is an integer greater than -4}
Use a calculator to solve the equation on the interval [0, 2?). Round the answer to two decimal places.sin x = -0.42
A. 3.58, 5.85 B. 0.43, 3.57 C. 0.43, 5.85 D. 0.43, 2.00
Determine whether the given relationship defines a function. If so, identify the independent and dependent variable, and why the relationship is a function.A customer's savings account number n given the number of years y the account has been active.
A. Yes; y, n; there is one account number n in any given year y. B. No