Skills Practice pg 265 – 270 A relation is a set of ordered pairs while a function is a special type of relation where each input has one unique output.

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Skills Practice pg 265 – 270 A relation is a set of ordered pairs while a function is a special type of relation where each input has one unique output. Domain is the set all inputs while range is the set of all outputs of a relation or function. 1) Yes, it is a function 2) Yes, it is a function Yes, it is a function Domain: 1 - 20 years; Range: 3 - 28 feet; avg of 6 year old tree ≈ 17.5 feet Domain: 1 - 20 years; Range: 1 – 9 inches; avg of 13 year old tree ≈ 7 inches Domain: 0 - 20 weeks; Range: 0 – 46 inches; after 11 weeks ≈ 22 inches Domain: 0 – 300 days; Range: 28 – 48 inches; day 135 ≈ 46 inches Domain: 5 – 18 people; Range: 15 – 50 minutes; 30 minutes wait ≈ 14 people Domain: 2 -4 inches; Range: 0.5 – 1.2 lbs; diameter of 1 lb ≈ 3.75 inches

Average Height (inches) Section 1.1 problem #1 Age Average Height (inches) 6 months 26 12 months 30 18 months 34 2 years 36 3 years 39 4 years 42 5 years 44 6 years 47 7 years 49 8 years 51 9 years 53 10 years 55 11 years 57 12 years 59 13 years 61

Try problem 3 (Weight and Height) Homework Check tomorrow!!!! questions 1 – 4 all!!! Homework Check tomorrow!!!!