Communications The cost of a telephone call between Denver and Boise is $0.60 for the first minute and $0.42 for each additional minute or portion of a minute. A model for the total cost (in dollars) of the phone call is where is the length of the phone call in minutes. (a) Sketch the graph of the model. (b) Determine the cost of a call lasting 12 minutes and 30 seconds.
Week 4 MUL2010 Intro to Music Lit ▯1 Introduction to Music Literature ♪ WEEK 4 NOTES ♪ ▯ Main Theme - HARMONY AND KEY Harmony • organization of chords ⁃ chord: a combination of three or more notes sounded simultaneously ⁃ triad - fundamental chord group in music, consisting of three tones ⁃ root: bottom of chord ⁃ 3rd, 5th respective relations of other notes to chord ⁃ TYPES of TRIADS ⁃ tonic: first note of scale, root of tonic