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Chapter 1
Functions
Question | Answer |
---|---|
What are the Rules for Order of Operation? | 1. Perform operations within parentheses( ), brackets, square root symbols or fraction bars, from the inner set of symbols to the out set.2.Take powers.3.Multiply and divide in order from left to right.4. Add and subtract in order from left to right. |
What is a function? | A function is a correspondence or pairing between two variables such that each value of the first (independent) variable corresponds to exactly one value of the second (dependent) variable. |
Whatis the set of natural number or counting numbers? | The set of natural numbers or counting numbers is {1,2,3,4,5...} |
What is the set of whole numbers? | The set of whole numbers is {0,1,2,3,4,5...} |
What is the set of integers? | The set of integers is {...-3, -2, -1, 0, 1, 2, 3 ....} |
What is the set of rational numbers? | The set of rational numbers is the set of numbers that can be represented as ratios of the form a/b, where a and b are integers and b does not equal 0. Samples: -7,0,2/3,1,1 |
What is the set of real numbers? | The set of real numbers is the set of numbers that can be represented by decimals. Samples: -7,0,1,2.34 |