Write a formula for the general term (the nth term) of the geometric sequence.0.00009, 0.0009, 0.009, 0.09, . . .
A. an = 9(0.1)n
B. an = 9(10)n
C. an = 0.00009(10)n - 1
D. an = 0.0009(10)n - 1
Answer: C
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Sketch the graph of the function.
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Solve the problem.A new car dealership sold 333 cars in 2000, and sales are increasing by about 38 cars per year. Let s be the number of cars sold in the year that is t years since 2000. Find an equation for a linear model to describe this situation.
A. s = 333t + 38 B. s = (2000)(38)t + 333 C. s = 38t + 333 D. s = 371t + 333
Find the amount of the annuity due rounded to the nearest cent.
A. $98,797.47 B. $106,673.93 C. $29,213.69 D. $114,668.57
Answer the questionIf y varies inversely as the square of x, and x is tripled, how is y changed?
A. y is one-ninth as large as before B. y is nine times as large as before C. y is three times as large as before D. y is one-third as large as before