L15_filled - Day 17 Lecture 15 Found in Translation 3 2...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Day 17 Lecture 15 Found in Translation Expressing Ourselves An Expression is a sentence or phrase completely written in mathematical _____________ (with symbols) Phrase: “The Sum of two with three.” Translation: An ________________ is a special kind of Expression involving two expressions linked together by an __________ sign, whose translation in words is “equal to” or “is [the same as]”. Sentence: “The fraction 4 of 10 is the same as the fraction 2 of 5.” Translation: 2 3
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 The Great Unknown A ____________ is a symbol for something that can change or is otherwise unknown. Example: The number of people getting a passing grade at the end of the semester. Example: The number of people getting an A in the course right now is 3 but… They are usually represented by letters or other symbols which remind you of what they represent like… _____ for an x-coordinate, _____ for a y-coordinate _____ for a function’s [output] value at the input value ______. Because of this, functions can be defined via Equations by translating “The y-coordinate is the output value of f evaluated at the x-coordinate” into 3 4 Functions you should Know, part 1 Have you ever done something like this to a friend: Friend: “So what’d you do last night?” You: “Your Ma Ma.” Friend: “Funnyyy. .. You want to grab something to eat?” You: “Your Ma Ma.” Friend: “Is that all you’re going to say?” You: “Your Ma Ma.” Now compare with: Q: What does 1 map to? A: 3 Q: What does 2 map to? A: 3 Q: What does map to? A: 3 4 7
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 9

L15_filled - Day 17 Lecture 15 Found in Translation 3 2...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online