Vocabulary

2. one complete pattern of a periodic function
4. in exponential growth, the base of the exponential expression, 1+r
5. interest paid on the principal of an investment and any previously earned interest
8. the constant k used with direct or inverse variation
10. the fixed ray of an angle
13. the study of the relationships between the angles and sides of a right triangle
15. for all positive numbers a, b, and n, where a does not equal 1 and b does not equal 1, log an = logbn/logba
17. a function with y-values that repeat at regular intervals
18. logarithm that uses 10 as the base
19. the least possible value a for which f(x)=f(x+a)
21. a line that a graph approaches
22. a measure that shows how well data are modeled by a linear equation
23. a horizontal translation of trigonometric function
24. when graphs of trigonometric functions are translated vertically
26. an equation in which the variables occur as exponents
27. when a quantity increases exponentially over time
29. a horizontal axis used as the reference line about which the graph of a periodic function oscilates

1. in exponential decay, the base of the exponential expression, 1-r
3. y varies jointly as x and z if there is some nonzero constant k such that y=kxz
4. the sum of the terms of a geometric sequence
6. an inequality involving exponential functions
7. an exponential function with base e, y = e^x
9. logarithms with base e, written ln x
11. an inequality that contains one or more logarithms
12. a ratio of two polynomial expressions
14. a function defined using a unit circle
16. occurs when a quantity decreases exponentially over time
20. the terms between any two nonsuccessive terms of a geometric sequence
25. the number of cycles in a given unit of time
28. a ray of an angle that rotates about the center