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Functions & Graphs. Chapter Five. Function – A relationship in which one quantity depends upon another quantity. Equation – A mathematical statement with an equal sign. Ex: y=7x+2. Let’s Double Check …. Coordinates – The numbers in an ordered pair. Ex:.
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Functions & Graphs Chapter Five
Function – A relationship in which one quantity depends upon another quantity • Equation – A mathematical statement with an equal sign. • Ex: y=7x+2 Let’s Double Check …
Coordinates – The numbers in an ordered pair. • Ex: • Ordered Pair – A pair of numbers that gives the location of a point on the graph. • Ex: (3, 4) & (4, 3) Let’s Double Check …
1) The flowers in Becky’s garden grow 3 centimeters in 1 month. How many centimeters will her flowers grow in 3 months? In 6 months? Function Tables * The amount that the flower grows depends upon the time period.
1) The flowers in Becky’s garden grow 3 centimeters in 1 month. How many centimeters will her flowers grow in 3 months? In 6 months? * What does the problem tell us? The flowers grow 3 cm in 1 month! * What do we need to find out? How many centimeters the flowers will be in 3 and 6 months! f = 3t Equations f = 3(3) f = 9
y 18 15 12 9 6 3 0 Graphing x 1 2 3 4 5 6
Complete the table! 3) You can rent a speed boat for $2 an hour, and buy water for the trip for $3. c = 2d+3 Practice Makes Perfect!
Complete the table and then write an equation. 3) One desert animal can run 7 times as fast as another animal. Practice Makes Perfect!
Complete the table and then write an equation. 4) Admission to an exhibit costs $4 for each person. How much will it cost for 5 people to enter the exhibit. Practice Makes Perfect!
y 20 16 12 8 4 0 Graph It! x 1 2 3 4 5