# Pre-Calculus

Use a graphing utility to graph the function y = d + a sin (bx - c) for different values of a, b, c, and d. Write a paragraph describing the changes in the graph corresponding to changes in each constant.

1. visit wolframalpha.com

type in your function and see what you get. You can do multiple plots by separating them with commas. For example,

http://www.wolframalpha.com/input/?i=plot+y%3D2%2B3sin(x),y%3D-3%2B4cos(2x+%2B+pi%2F4)

posted by Steve

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