MATH127 Lecture Notes - Lecture 3: Quiz Call, Richter Magnitude Scale

• School: University of Waterloo
• Department: Mathematics
• Course: MATH127
• Professor: David Deepwell

Document Summary

Tutorial quiz (sept 19th)- appendixes a-c and sections 1. 1-1. 3. >> last half hour (ish) is the quiz. Call the prof david, or mr. deepwell, not professor deepwell. *** (continued- transcendental functions: exponential functions (if something grows large, very fast, or decays very fast) If a = 1, there is a single horizontal line. If a > 1, the graph is growing. [6 and 7 are the inverses of each other: logarithmic functions (large spread using smaller numbers ex; richter scale) +; f(x) + g(x) = x^2 + x+1. ; f(x) g(x) = x^2 - x+1 x; f(x) x g(x) = x^2(x+1) division; f(x)/g(x) = x^2/( x+1) Or x-> f(x) -> f(x) -> g(x) -> g(f(x)) called a composition; g(f(x)) = g f(x) ex; f(x) = |x| g(x) = x-7 f(g(x)) = |x-7| g(f(x)) = |x|-7 ex; f(x) = 1-x^2 g(x) = 1/x. D; xer, (insert slash going opposite direction) {-1. 1}